if引导虚拟条件句用法 if引导条件状语虚拟语气的三种用法
if\u5f15\u5bfc\u7684\u865a\u62df\u6761\u4ef6\u53e5\u4e09\u79cd\u53e5\u578b 1 \u4e0e\u73b0\u5728 2 \u4e0e\u5c06\u6765 3 \u4e0e\u8fc7\u53bb\u6709\u4e09\u79cd\u60c5\u51b5\uff1a
\uff081\uff09\u5bf9\u8fc7\u53bb,\u4ece\u53e5had done\u4e3b\u53e5would/could/might/have done
\uff082\uff09\u5bf9\u73b0\u5728,\u4ece\u53e5\uff1adid /were\u4e3b\u53e5\uff1awould/could/might do
\uff083\uff09\u5bf9\u5c06\u6765,should do/were to do/did.\u4ece\u53e5,\u66f4\u4e0a\u4e00\u4e2a\u4e00\u6837.\u6ce8\u610f,\u201c\u4e3b\u5c06\u4ece\u73b0\u201d\u539f\u5219.
He will come if you invite him.
如果你请他,他会来的。
2. (表示虚拟)假如,要是
1）时态：可以表示过去，现在和将来的情况。它的基本特点是时态退后。
a. 同现在事实相反的假设。
句型 ： 条件从句 主句
一般过去时 should( would) +动词原形
If they were here, they would help you.
b. 表示于过去事实相反的假设。
句型： 条件从句 主句
过去完成时 should(would) have+ 过去分词
If she had worked harder, she would have succeeded.
The rice would not have been burnt if you had been more careful.
If my lawyer had been here last Saturday, he would have prevented me from going.
If he had come yesterday, I should / would have told him about it.
含义：He did not come yesterday, so I did not tell him about it.
If he had not been ill and missed many classes, he would have made greater progress.
含义： He was ill and missed many lessons, so he did not make greater progress.
c. 表示对将来的假想
句型： 条件从句 主句
一般过去时 should+ 动词原形
were+ 不定式 would + 动词原形
should+ 动词原形
If you succeeded, everything would be all right.
If you should succeed, everything would be all right.
If you were to succeed, everything would be all right.
3. 是否 = whether 连接宾语从句
I wonder if she is ill.
绛旓細if浠庡彞鐨铏氭嫙璇皵鍘熺悊锛1銆佸鏋滃彞瀛愬湪鎯宠薄鐜板湪鍙戠敓鑰屽疄闄呮湭鍙戠敓鐨勪簨浠讹紝鐢辩幇鍦ㄦ椂鍊掗鎴愯繃鍘绘椂锛氾紙浠庡彞锛塱f+杩囧幓鏃讹紝锛堜富鍙ワ級4涓儏鎬佸姩璇+鍔ㄨ瘝鍘熷舰 2銆佸鏋滃彞瀛愬湪鎯宠薄灏嗘潵鍙戠敓鑰屽疄闄呬笉浼氬彂鐢熺殑浜嬩欢锛岀敱灏嗘潵鏃跺掗鎴愯繃鍘绘椂锛屾墍浠ヤ笌1鏄竴鏍风殑锛屼絾鏄澶勪粠鍙ユ湁涓夌锛氾紙浠庡彞锛塱f+杩囧幓鏃/if+were to do/if...
绛旓細if鏉′欢鍙鐨铏氭嫙璇皵濡備笅锛if鍙鍙堝彨鏉′欢鍙ワ紝琛ㄧず鈥滃亣濡傗濓紝鏄姸璇粠鍙ョ殑涓绉嶏紝鏄竴绉嶉潪甯稿父瑙佺殑浠庡彞褰㈠紡锛岀敤鏉ユ彁鍑轰竴绉嶄笌瀹㈣鐜板疄涓嶇浉绗︽垨鏍规湰涓嶅彲鑳藉瓨鍦ㄧ殑鏉′欢锛屾嫢鏈寮曞鐨勪笁绉嶈櫄鎷熻姘斿舰寮忥細1銆佽〃绀轰笌鐜板湪浜嬪疄鐩稿弽銆If I were you, I would try it銆傚鏋滄垜鏄綘锛屾垜浼氳瘯璇曠殑銆2銆佷笌杩囧幓浜嬪疄鐩稿弽銆侷...
绛旓細2. if寮曞鐨鏉′欢鍙缁撴瀯锛氬湪if寮曞鐨勬潯浠跺彞涓紝濡傛灉琛ㄧず鍋囪鐨勬儏鍐典笉鏄湡瀹炲瓨鍦ㄧ殑锛岄偅涔堥渶瑕佷娇鐢铏氭嫙璇皵銆傚叾鍩烘湰缁撴瀯鏈変袱绉嶆儏鍐碉細涓绉嶆槸鏉′欢鍙ヤ腑浣跨敤杩囧幓鏃舵侊紝鍙︿竴绉嶆槸鏉′欢鍙ヤ腑浣跨敤鐜板湪鏃舵併傚叾涓紝涓嶈褰撳墠鎯呭喌濡備綍锛岄兘闇瑕侀伒寰櫄鎷熻姘旂殑瑙勫垯銆3. 铏氭嫙璇皵鐨勫簲鐢ㄦ儏澧冿細铏氭嫙璇皵甯哥敤浜庡亣璁炬х殑鎯呭鎻忚堪...
绛旓細鈶 铏氭嫙杩囧幓鏃舵槸琛ㄧず涓庤繃鍘讳簨瀹炵浉鍙嶇殑鍋囪锛if 浠庡彞鐨勮皳璇舰寮忕敤杩囧幓瀹屾垚鏃跺嵆had锛嬭繃鍘诲垎璇嶏紝涓诲彞鐢╳ould / should / could / might + have +杩囧幓鍒嗚瘝锛屼緥濡傦細If it had not rained so hard yesterday we could have played tennis.鈶 澶у鏁扮殑铏氭嫙鏉′欢鍙灞炰簬涓婇潰涓夌鎯呭喌鐨勪竴绉嶏紝浣嗗苟涓嶆帓闄ゅ瓨鍦...
绛旓細if铏氭嫙璇皵鐨勪笁绉嶅舰寮忥細鈶犲鐜板湪鎯呭喌鐨勮櫄鎷熴佲憽瀵硅繃鍘绘儏鍐电殑铏氭嫙銆佲憿瀵瑰皢鏉ユ儏鍐电殑铏氭嫙銆1.瀵瑰皢鏉ユ儏鍐电殑铏氭嫙 涓诲彞锛氫富璇紜would/should/might/could锛嬪姩璇嶅師褰 浠庡彞锛歴hould锛嬪姩璇嶅師褰/were to锛嬪姩璇嶅師褰2.瀵圭幇鍦ㄦ儏鍐电殑铏氭嫙 涓诲彞锛氫富璇紜would/should/might/could锛嬪姩璇嶅師褰 浠庡彞锛氬姩璇嶈繃鍘诲紡 3.瀵硅繃鍘...
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...
绛旓細浠庡彞濡備负铏氭嫙鏉′欢浠庡彞,璋撹鍔ㄨ瘝瑕佺敤铏氭嫙璇皵,琛ㄧず鍙兘鎬т笉澶ф垨涓庤繃鍘讳簨瀹炵浉鍙,浣溾滆鏄,鍋囧鈥濊В銆傚彲鎸囪繃鍘荤殑鎯呭喌,涔熷彲鎸囩幇鍦ㄥ拰灏嗘潵鐨刞鎯呭喌銆傛寚灏嗘潵鎯呭喌鏃跺彲鐢╳ere to鎴杝hould銆傚湪鐜颁唬鍙ｈ涓,涓銆佷笁浜虹О鍚庡父鐢╳as浠ｆ浛were銆if寮曞鐨铏氭嫙鏉′欢鍙涓,鍔╁姩璇峸ere,should,had鍙互绉昏嚦涓昏鍓,姝ゆ椂if鍙渷鐣ャ
绛旓細1銆佹彁鍑哄皢鏉ヤ細鍙戠敓鐨勪簨锛氫富鍙ワ細涓昏锛媤ould/should/might/could锛嬪姩璇嶅師褰紱浠庡彞锛歴hould锛嬪姩璇嶅師褰/were to锛嬪姩璇嶅師褰紱2銆佹彁鍑虹幇鍦ㄧ殑鏉′欢锛 涓诲彞锛氫富璇紜would/should/might/could锛嬪姩璇嶅師褰紱浠庡彞锛氬姩璇嶈繃鍘诲紡锛涗緥鍙ワ細If he studied at this school, he would know the enviornment around the school ...
绛旓細if寮曞鐨勫掕鍙ュ彧鏈変竴绉嶅舰寮忥細铏氭嫙鏉′欢鍙涓鏋滆皳璇姩璇嶅惈鏈墂ere锛宻hould锛宧ad杩欏嚑涓瘝锛屽彲浠ユ妸were锛宻hould锛宧ad鏀惧湪if鐨勪綅缃紝骞跺幓鎺塱f锛氳繖灏辨槸铏氭嫙鏉′欢鍙ョ殑鍊掕锛屼絾宸茬粡娌℃湁if浜嗐俰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躲傝娉曪細if浣滀负浠庡睘杩炶瘝锛屽彲寮曞...
绛旓細鏃舵佸簲閬靛惊涓汇佷粠鍙ユ椂鎬佸懠搴旂殑鍘熷垯銆傚綋涓诲彞鏄竴鑸幇鍦ㄦ椂锛堝寘鍚浣垮彞鍜屽惈鎯呮佸姩璇峜an,may,must绛夌殑鍙ュ瓙锛夛紝浠庡彞涔熺敤涓鑸幇鍦ㄦ椂銆傚鏋滀富鍙ユ槸涓鑸皢鏉ユ椂锛屼粠鍙ュ繀椤荤敤涓鑸幇鍦ㄦ椂銆 鎵╁睍璧勬枡 if寮曞铏氭嫙鏉′欢鍙ョ敤娉锛1銆侊紙琛ㄧず鏉′欢锛夊鏋滐紝涓诲彞鐢ㄥ皢鏉ユ椂锛宨f浠庡彞鐢ㄧ幇鍦ㄦ椂琛ㄧず灏嗘潵銆侶e will come if you ...
