【正文】 ight be done,情態(tài)動詞完成式: can have been done,must have been done,could have been done, may have been done，might have been done,Call at(拜訪某地), call out at(大聲喊), call on(拜訪某人), call sb up(給某人打電話), call off(取消)+謂語(感官動詞)+doing表示正在發(fā)生的事情,+do 表示已經(jīng)完成的動作. So/suchSo+adj. /adv.such+n. 固定用法：so manywill/be going to do一般情況下可以相互替換,但是要表示說話人決定做某事或者表示建議,請求, 肯定或不肯定等含義時只能用will.Watch/look at/follow, solid/firm/stableHold/look, look forward to(期望), look out(當心), look up (查詢,), look sb. up(拜訪某人) if /though+虛擬語氣, 過去完成時總結(jié)as if /though 常在描述行為的動詞后面使用, 如act/look/feel/appear/smell/sound, 后面要用虛擬語氣He looks as if he were a king. Her skin feels as if it were silk. The song sounds as if it were a sad story. He looked as if he had never lived in England. No sooner…than, hardly…when, country/countryside, continuously, continually,No sooner…than 一…就… 與過去完成時連用I had no sooner e into the room than it began to rain.The bell had no sooner rung than the game began.如果no sooner 放在句首, 主句的主謂結(jié)構(gòu)倒裝No sooner had I e into the room than it began to rain.No sooner had the bell rung than it began to rain.Hardly…when 幾乎沒來得及…就… 與過去完成時連用He had hardly got the money when the policeman caught him.I had hardly finished the last question when the exam e