be+adj.+doing
be adj to do sth\u53ef\u4ee5\u6362\u6210be adj doing sth\u5417\uff1f\u4e00\u822c\u4e0d\u884c\uff0c\u8fd9\u5f97\u770b\u662f\u54ea\u4e2a\u5f62\u5bb9\u8bcd\u4e86\u3002
\u50cfbusy,\u53ef\u4ee5\u8bf4be busy doing.
\u50cfable,\u53ef\u4ee5\u8bf4be able to do.
be busy doing \u5fd9\u4e8e\u5e72\u67d0\u4e8b be worth doing \u503c\u5f97\u5e72\u67d0\u4e8b
It+be+adj+to do somethingIt is easy to learn Chinese. 学习汉语很简单（表示准备去做）
It+be+adj+doing something
It is easy playing football. 踢足球很简单（表示兴趣，已经做过）
It+ be+ adj./n.+ doing(phrase) 动名词作主语，由it作形式主语使句子平衡
It’s so nice sitting here with you.
象be busy doing中，形容词busy作表语， 现在分词短语doing sth.充当伴随性状语。
学了7年英语,只见过It is adj. to do sth.
绛旓細be+adj+doing鐩稿鏉ヨ鏄瘮杈冨皯瑙佺殑锛屼緥濡備綘涓剧殑busy鍚庨潰灏辨槸鍔燿oing锛岃実lad鍚庢帴to锛宒o銆傛儏鎬佸姩璇嶆湰韬氨鍏锋湁涓瀹氱殑璇嶄箟锛屼絾瑕佷笌鍔ㄨ瘝鍘熷舰浠ュ強鍏惰鍔ㄨ鎬佷竴璧蜂娇鐢紝缁欒皳璇姩璇嶅娣绘儏鎬佽壊褰╋紝琛ㄧず璇磋瘽浜哄鏈夊叧琛屼负鎴栦簨鐗╃殑鎬佸害鍜岀湅娉曪紝璁や负鍏跺彲鑳姐佸簲璇ユ垨蹇呰绛夈傛儏鎬佸姩璇嶅悗闈㈠姞鍔ㄨ瘝鍘熷舰銆傛儏鎬佸姩璇嶄笉鑳借〃绀烘...
绛旓細鎮ㄥソ..杩欎釜涓嶆槸缁熶竴鐨 鍏蜂綋鏉ヨto do 姣旇緝澶氳 涔熷氨鏄姩璇嶄笉瀹氬紡 鎵浠ヤ綘璇寸殑鍚庨潰涓や釜鍏跺疄灏辨槸鎸囦竴绉嶈惤... be+adj+doing鐩稿鏉ヨ鏄瘮杈冨皯瑙佺殑 渚嬪浣犱妇鐨刡usy鍚庨潰灏辨槸鍔燿oing 鑰実lad鍚庢帴to do 鎵浠ヤ竴鑸綘鐪嬪埌杩欑缁撴瀯閮借冭檻to do灏卞彲浠ヤ簡鍝 鑰宐e+adj+doing鍙槸灏戞暟鐨褰㈠璇浼氭湁杩欑鐢ㄦ硶 闇...
绛旓細be worth doing鏄釜鐗规畩鐢ㄦ硶锛屾剰鎬濇槸鍋氫粈涔堜簨鏄煎緱鐨勶紝鍊煎緱鍋氥 鎹㈠埆鐨勮瘝锛屾瘮濡 be glad to do锛実lad鏄舰瀹瑰墠闈㈣繖涓富璇殑锛屾瘮濡 i am glad to help you. 璇寸殑鏄垜楂樺叴锛岃屼笉鏄悗闈㈢殑help you楂樺叴銆 瑕佺湅褰㈠鐨勬槸鍝竴閮ㄥ垎銆傚搱鍝堬紝璇寸殑绠鍗曞惂銆俠e adj doing 涓鑸敤鐨勬槸it is 锛屽氨鏄痠t 鍙...
绛旓細It+be+adj+to do something It is easy to learn Chinese. 瀛︿範姹夎寰堢畝鍗曪紙琛ㄧず鍑嗗鍘诲仛锛塈t+be+adj+doing something It is easy playing football. 韪㈣冻鐞冨緢绠鍗曪紙琛ㄧず鍏磋叮锛屽凡缁忓仛杩囷級It+ be+ adj./n.+ doing(phrase) 鍔ㄥ悕璇嶄綔涓昏锛岀敱it浣滃舰寮忎富璇娇鍙ュ瓙骞宠 It鈥檚 so nice sitting here...
绛旓細鏈夌殑鏄 be adj to do 鏈夌殑鏄 be adj doing 涓婂鐨勬椂鍊欐垜鎶婄壒娈婄殑閮借儗涓嬫潵浜嗭紝鐜板湪閮藉繕鍏変簡 O__O"鈥
绛旓細1,be+adj(褰㈠璇锛塛e should be brave.鎴戜滑瑕佸媷鏁2.be+n(鍚嶈瘝锛塈t might be a gift.杩欏彲鑳芥槸绀肩墿銆3.be+doing琛ㄧず杩涜鏃讹紝I am answering your question鎴戞鍦ㄥ洖绛斾綘鐨勯棶棰 be+done琛ㄧず琚姩锛孴he book has been borowed.杩欐湰涔﹀凡缁忚鎺ュ熻蛋浜嗐4.be+to do琛ㄧ洰鐨勶紝The measure is to ...
绛旓細涓嶆槸杩欐牱鐨勶紝妤间富銆傛病浠涔堣寰嬬殑锛屽彧鑳借蹇嗐傛ゼ涓讳妇鐨勭浜屼釜渚嬪瓙瀹為檯涓婃槸 be successful (in) doing sth 锛屽父鐢ㄧ殑鏃跺欎細鐪佺暐in锛屽苟涓嶆槸successful鍚庨潰鐩存帴鍔爄n
绛旓細worthing reading鏄竴涓〃鍔ㄧ粨鏋勶紝鍦ㄨ繖閲屼綔涓鸿皳璇傜炕璇戯細杩欐湰涓庡煎緱涓璇汇倀he meeting is sure to be a greet successful.杩欏彞璇濆彲浠ョ缉鍑忎负锛歵he meeting is a great success.杩欓噷鏄〃璇姞鍚嶈瘝浣滀负璋撹銆傝屽師鍙ョ殑sure鏄姘斿壇璇嶏紝琛ㄧず鑲畾锛涜宼o be 鏄〃绀哄皢鏉ュ彂鐢熺殑浜嬫儏銆傝繖娆′細璁敞瀹氫細鍙栧緱鎴愬姛銆
绛旓細be busy doing 蹇欎簬骞叉煇浜 be worth doing 鍊煎緱骞叉煇浜
绛旓細鏈夎繖鏍风殑鍙ュ瀷锛屽be used to doing鎰忎负锛氫範鎯仛鏌愪簨銆備絾涓嶆槸鎵鏈夌殑閮借繖鏍风敤锛屼竴鑸殑閮芥槸be +adj+to do.娉ㄦ剰绉疮灏辫浜嗐
