if在什么情况下是虚拟语气什么情况下不是
\u5173\u4e8eif\u7684\u865a\u62df\u8bed\u6c14\u6709\u65f6\u4f60\u4e5f\u53ef\u4ee5\u9009\u62e9\u7528could\u6216 might\uff0c\u4f46\u662f\u5982\u679c\u662f\u9009\u62e9\u9898\u7684\u8bdd\u80af\u5b9a\u4e0d\u80fd\u8fd9\u4e9b\u8bcd\u90fd\u5728\u9009\u9879\u91cc\uff0c\u90a3\u5c31\u53c8\u597d\u51e0\u4e2a\u7b54\u6848\u4e86\u3002\u6ca1\u6cd5\u9009\u4e86\u3002\u6211\u505a\u56db\u7ea7\u7684\u65f6\u5019\u5c31\u78b0\u5230\u8fc7\u5404\u79cd\u865a\u62df\u8bed\u6c14\u7684\u9898\uff0c \u6bd4\u5982\u6709\u7684\u8981\u5012\u88c5\uff0c\u6709\u7684\u524d\u534a\u53e5\u7528\u865a\u62df\u3001\u540e\u534a\u53e5\u7528\u771f\u5b9e\u8bed\u6c14\u3002\u3002\u3002\u3002\u8fd9\u90fd\u8981\u8bfb\u61c2\u9898\u5224\u65ad\u7684\u3001\u3001\u3001
\u4e0b\u9762\u662f\u603b\u7ed3\u3002\u3002\u4f60\u53c2\u8003\u53c2\u8003\u3001
1. \u865a\u62df\u8bed\u6c14\u5728if\u6761\u4ef6\u72b6\u8bed\u4ece\u53e5\u4e2d\u7684\u7528\u6cd5
\u4e0e\u73b0\u5728\u4e8b\u5b9e\u76f8\u53cd\uff1a\uff08\u4ece\u53e5\u8c13\u8bed\u52a8\u8bcd\uff09\u52a8\u8bcd\u7684\u8fc7\u53bb\u5f0f(be\u7528were\u800c\u4e0d\u7528was)
\uff08\u4e3b\u53e5\u8c13\u8bed\u52a8\u8bcd\uff09 should/ would /could/ might+\u52a8\u8bcd\u539f\u5f62
\u4e0e\u8fc7\u53bb\u4e8b\u5b9e\u76f8\u53cd\uff1a\uff08\u4ece\u53e5\u8c13\u8bed\u52a8\u8bcd\uff09 had + \u8fc7\u53bb\u5206\u8bcd
\uff08\u4e3b\u53e5\u8c13\u8bed\u52a8\u8bcd\uff09 should/ would/could/might + have+\u8fc7\u53bb\u5206\u8bcd
\u4e0e\u5c06\u6765\u4e8b\u5b9e\u76f8\u53cd\uff1a\uff08\u4ece\u53e5\u8c13\u8bed\u52a8\u8bcd\uff091.should+\u52a8\u8bcd\u539f\u5f62 2.\u52a8\u8bcd\u8fc7\u53bb\u5f0f 3.were to+\u52a8\u8bcd\u539f\u5f62 \uff08\u4e3b\u53e5\u8c13\u8bed\u52a8\u8bcd\uff09 should/ would/ could/ might +\u52a8\u8bcd\u539f\u5f62
2. Wish \u5f15\u5bfc\u7684\u5bbe\u8bed\u4ece\u53e5
\u4e0e\u73b0\u5728\u4e8b\u5b9e\u76f8\u53cd \uff1a\u8fc7\u53bb\u65f6\uff08were\uff09
\u4e0e\u8fc7\u53bb\u4e8b\u5b9e\u76f8\u53cd \uff1ahad+\u8fc7\u53bb\u5206\u8bcd
\u4e0e\u5c06\u6765\u4e8b\u5b9e\u76f8\u53cd \uff1a would/could/might+\u52a8\u8bcd\u539f\u5f62
eg. I wish I were a bird.
I wish he hadn\u2018t done that. (do)
I wish I would be rich in the future.
3. \u8868\u793a\u8981\u6c42,\u547d\u4ee4,\u5efa\u8bae\u7684\u865a\u62df\u8bed\u6c14
Keys\uff1a1). insist 2). order, command
3). advise, suggest, and propose 4). demand, require, request, desire
\u8fd9\u4e9b\u52a8\u8bcd\u540e\u9762\u7684\u5bbe\u8bed\u4ece\u53e5\u8981\u4f7f\u7528\u865a\u62df\u8bed\u6c14\u7528\u6cd5\u3002\u5373\u4ece\u53e5\u4e2d\u7684\u52a8\u8bcd\u4f7f\u7528should + \u52a8\u8bcd\u539f\u5f62,
\u6216\u8005\u7701\u7565should.\u76f4\u63a5\u5bb6\u539f\u5f62
eg. The doctor suggested that he (should) try to lose his weight.
He insisted that we (should) tell him the news.
\u865a\u62df\u8bed\u6c14(\u4e8c)
the Subjunctive mood \uff08\u5047\u8bbe\u8bed\u6c14\uff09
1. \u8868\u8bed\u4ece\u53e5\u3001\u540c\u4f4d\u8bed\u4ece\u53e5\u4e2d\u7684\u865a\u62df\u8bed\u6c14
\u5728suggestion\uff0c proposal\uff0c order\uff0c plan\uff0c idea\uff0c advice\uff0c decision\u7b49\u9700\u8981\u6709\u5185\u6db5\u7684 \u540d\u8bcd\u540e\u9762\u7684\u8868\u8bed\u4ece\u53e5\u3001\u540c \u4f4d\u8bed\u4ece\u53e5\u4e2d\uff0c\u8981\u4f7f\u7528\u865a\u62df\u8bed\u6c14\u3002\u5176\u8c13\u8bed\u52a8\u8bcd\u5e94\u7528\uff1ashould\uff0b\u539f\u5f62\u52a8\u8bcd\u3002\u53e6\u5916\u8fde\u63a5\u4ece\u53e5\u7684that\u4e0d\u80fd\u7701\u7565\u3002
eg. My suggestion is that we should go there at once.
What do you think of his proposal that we should put on a play at the English evening?
2\u3001 It\u2019s necessary/strange/natural/ important/pity/no wonder/impossible + that Clause \u4ece\u53e5\u4e2d\u7684\u52a8\u8bcd\u8981\u7528\u865a\u62df, \u5373(should)+\u52a8\u8bcd\u539f\u5f62
eg. It is strange that he (should) say so. \u4ed6\u5c45\u7136\u4f1a\u8fd9\u6837\u8bf4\uff0c\u771f\u662f\u5947\u602a\u3002
It is a great pity that you (should) think so. \u4ed6\u5c45\u7136\u4f1a\u8fd9\u6837\u60f3\uff0c\u771f\u662f\u4e00\u4ef6\u61be\u4e8b\u3002
It is natural that a bird (should) rest in trees. \u9e1f\u5728\u6811\u4e0a\u5b89\u6b47\u662f\u5f88\u81ea\u7136\u7684\u3002
3\u3001 \u5728It is/was suggested /ordered / demanded / proposed / etc. \u7ed3\u6784\u4e2d\u8981\u4f7f\u7528\u865a\u62df\u8bed\u6c14
eg. It\u2018s requested that we \uff08should\uff09 keep the stability of the society for the people\u2019s
peaceful life.
It\u2019s suggested that the plan be carried out.
It is ordered that all the troops (should) withdraw three miles away. \u6839\u636e\u547d\u4ee4\uff0c\u6240\u6709
\u90e8\u961f\u64a4\u81f3\u4e09\u82f1\u54e9\u4ee5\u5916\u3002
It is arranged that he leave for Canada on Friday. \u7167\u5b89\u6392\uff0c\u4ed6\u661f\u671f\u4e94\u52a8\u8eab\u53bb\u52a0\u62ff\u5927\u3002
It is suggested that the English evening be held on Saturday.
4. would rather \u540e\u7684\u5bbe\u8bed\u4ece\u53e5\u3002
eg. I would rather you could teach me again.
The manager would rather that his secretary went to the meeting instead of him .\u7ecf\u7406
\u5b81\u613f\u4ed6\u7684\u79d8\u4e66\u4ee3\u66ff\u4ed6\u53bb\u5f00\u4f1a\u3002
5. as if\uff0c as though\u5f15\u5bfc\u7684\u4ece\u53e5\u3002
\u4ee5as if \u3001as though\uff08\u4f3c\u4e4e\uff0c\u4eff\u4f5b\uff09\u5f15\u51fa\u7684\u65b9\u5f0f\u72b6\u8bed\u4ece\uff0c\u5982\u679c\u8868\u793a\u771f\u5b9e\u60c5\u51b5\u5e94\u8be5\u7528\u76f4\u9648\u8bed
\u6c14\uff1b\u5982\u679c\u8868\u793a\u975e\u771f\u5b9e\u60c5\u51b5\u5219\u5e94\u8be5\u7528\u865a\u62df\u8bed\u6c14, \u5176\u8c13\u8bed\u52a8\u8bcd\u7684\u865a\u62df\u5f0f\u4e0ewish\u540e\u9762\u5bbe\u8bed\u4ece\u53e5\u4e2d\u8c13
\u8bed\u52a8\u8bcd\u7684\u865a\u62df\u5f0f\u76f8\u540c\u3002
eg. The little boy knows so many things as if he was a man.
6. \u7531if only \uff08\u8981\u662f\u2026\u2026\uff0c\u90a3\u8be5\u591a\u597d\u554a\uff01\uff09\u5f15\u5bfc\u7684\u60ca\u53f9\u53e5\u3002\u5982\uff1a
If only I had passed the test \uff01
\u6bd4\u8f83if only\u4e0eonly if\uff1a
only if\u8868\u793a"\u53ea\u6709"\uff1bif only\u5219\u8868\u793a"\u5982\u679c\u2026\u2026\u5c31\u597d\u4e86"\u3002If only\u4e5f\u53ef\u7528\u4e8e\u9648\u8ff0\u8bed\u6c14\u3002 eg. I wake up only if the alarm clock rings. \u53ea\u6709\u95f9\u949f\u54cd\u4e86\uff0c\u6211\u624d\u4f1a\u9192\u3002
If only the alarm clock had rung.\u3000\u3000\u3000\u5f53\u65f6\u95f9\u949f\u54cd\u4e86\uff0c\u5c31\u597d\u4e86\u3002
If only he comes early.\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4f46\u613f\u4ed6\u65e9\u70b9\u56de\u6765\u3002
7. It is (high) time that
It is (high) time that \u540e\u9762\u7684\u4ece\u53e5\u8c13\u8bed\u52a8\u8bcd\u8981\u7528\u8fc7\u53bb\u5f0f\u6216\u7528should\u52a0\u52a8\u8bcd\u539f\u5f62\uff0c\u4f46should\u4e0d\u53ef\u7701\u7565\u3002
eg. It is time that the children went to bed.
It is high time that the children should go to bed.
It is high time that we had our lunch. \u8be5\u662f\u6211\u4eec\u5403\u5348\u996d\u7684\u65f6\u5019\u4e86\u3002
It is time that he made up his mind. \u8be5\u662f\u4ed6\u4f5c\u51fa\u51b3\u5b9a\u7684\u65f6\u5019\u4e86\u3002
\u4f60\u7684\u5bf9\u4e8e\u73b0\u5728\u548c\u8fc7\u53bb\u7684\u8868\u793a\u662f\u6b63\u786e\u7684
\u8868\u5c06\u6765\uff1aifsdweretodo,sheshoulddo
比如：if i were you,i will...
if it rains tomorrow,we will...<如果>
i don't know if he come or not.<是否>
这是我的理解，仅供参考。。
绛旓細瀵瑰皢鏉ヨ繘琛屽亣璁句富瑕佹湁涓夌鎯呭喌锛1,if鏉′欢浠庡彞鏄皳璇敤鍔ㄨ瘝杩囧幓寮,鍒欏悗闈㈢殑涓诲彞鏄儏鎬佸姩璇嶅姞鍔ㄨ瘝鍘熷舰 渚嬶細If I came tomorrow ,we would have the meeting.2,if鏉′欢浠庡彞鏄痺ere to褰㈠紡,鍒欏悗闈㈢殑涓诲彞涔熸槸鎯呮佸姩璇嶅姞鍔ㄨ瘝鍘熷舰 渚嬶細If it were to rain tomorrow ,the meting would be put off.3,if鏉′欢...
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绛旓細1銆佸灏嗘潵鎯呭喌鐨勮櫄鎷燂細鍦ㄨ〃绀轰笌灏嗘潵浜嬪疄鐩稿弽鐨勬潯浠朵粠鍙ヤ腑锛岃皳璇姩璇嶅彲鐢╯hould do,were to do鎴栧姩璇嶇殑杩囧幓寮忎笁绉嶅舰寮忚〃绀猴紝浣嗘剰涔夌暐鏈変笉鍚屻俿hould琛ㄧず鐨勫彲鑳芥ф渶澶э紝鍔ㄨ瘝杩囧幓寮忕殑鍙兘鎬ф涔嬶紝were to do 鐨勫彲鑳芥ф渶灏忋2銆佸鐜板湪鎯呭喌鐨勮櫄鎷燂細鏉′欢浠庡彞涓皳璇姩璇嶇敤涓鑸繃鍘诲紡锛屼富鍙ョ敤鈥渨ould/should/...
绛旓細if鏉′欢铏氭嫙璇皵濡備笅锛1銆佺幇鍦ㄦ椂:褰搃f寮曞鐨勮櫄鎷熻姘旇〃绀轰笌鐜板湪浜嬪疄鐩稿弽鏃讹紝涓诲彞璋撹鐢╟ould銆亀ould銆乻houl d鎴杕i ght鍔犲姩璇嶅師褰紝鏉′欢浠庡彞涓殑璋撹鐢ㄨ繃鍘诲紡銆2銆佽繃鍘绘椂:褰搃f寮曞鐨勮櫄鎷熻姘旇〃绀轰笌杩囧幓浜嬪疄鐩稿弽鏃讹紝涓诲彞璋撹鐢╟ould銆亀ould銆乻houl d鎴杕i ght鍔爃ave鍐嶅姞鍔ㄨ瘝鍘熷舰锛3銆佸皢鏉ユ椂:褰搃f寮曞鐨勮櫄鎷...
绛旓細褰搃f鍚庨潰鎺ヤ竴鑸幇鍦ㄦ椂鐨勫姩璇嶆椂锛岃〃绀哄灏嗘潵鐨勪竴绉嶆帹娴嬨傚綋if鍚庨潰鎺ヤ竴鑸繃鍘绘椂鐨勫姩璇嶆椂锛屽垯鏄竴绉铏氭嫙璇皵銆傚綋if鍚庨潰鎺浠涔鏃舵侀兘鍙互鏃讹紝if涓鈥滄槸鍚︹濈殑鎰忔濓紝鍙ュ瓙涓哄璇粠鍙ャ俰f 璇婚煶锛氳嫳 [ɪf] 缇 [ɪf]閲婁箟锛氬鏋滐紝鍋囪嫢锛屽樿嫢锛屽綋锛屾棤璁轰綍鏃讹紝姣忔銆傝娉曪細1銆乮f浣滀负浠庡睘杩炶瘝,鍙...
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绛旓細if铏氭嫙璇皵鐨勪笁绉嶆椂鎬佸涓嬶細1銆佸鐩墠鐘跺喌鐨勮櫄鎷 鏉′欢浠庡彞涓皳璇姩璇嶇敤涓鑸繃鍘绘椂锛屼富鍙ョ敤鈥渨ould/should/might/could+鍔ㄨ瘝鍘熷舰鈥濇柟寮忥紝琛ㄦ槑瀵圭洰鍓嶄笉澶彲鑳藉疄鐜扮姸鍐电殑骞绘兂銆If I were you,I would choose to work in a small town.鍋囧鎴戞槸浣狅紝鎴戜細閫夋嫨鍦ㄥ皬鍩庨晣宸ヤ綔銆傦紙瀹為檯涓婃垜涓嶄細鏄綘锛2銆佸...
绛旓細1銆佸鐜板湪鎯呭喌鐨铏氭嫙 鏉′欢浠庡彞涓皳璇姩璇嶇敤涓鑸繃鍘诲紡锛屼富鍙ョ敤鈥渨ould/should/might/could+鍔ㄨ瘝鍘熷舰鈥濆舰寮忥紝琛ㄧず瀵圭幇鍦ㄤ笉鍙兘瀹炵幇鎯呭喌鐨勫亣鎯炽If I were you,I would choose to work in a small town.濡傛灉鎴戞槸浣狅紝鎴戜細閫夋嫨鍦ㄥ皬鍩庨晣宸ヤ綔銆傦紙浜嬪疄涓婃垜涓嶆槸浣狅級娉ㄦ剰锛氬湪鏉′欢浠庡彞涓紝濡傛灉璋撹鍔ㄨ瘝鏄痓e鐨...
