Question

3．外面正下著大雨，你最好呆在家里．（rain；stay）It's raining heavily outside，you'd better stay at home．．

Answer 1

分析 It's raining heavily outside，you'd better stay at home．

解答 答案：It's raining heavily outside，you'd better stay at home．表達(dá)的是正在進(jìn)行的動(dòng)作用現(xiàn)在進(jìn)行時(shí)be+doing，主語(yǔ)It故is，故It's raining heavily outside，heavily副詞修飾rain，最好做某事用had better do sth，主語(yǔ)you，待在家里結(jié)合stay用 stay at home，故答案是It's raining heavily outside，you'd better stay at home．

點(diǎn)評(píng) had better 1、其后接不帶to的不定式，表示現(xiàn)在或?qū)�來的概念，如：You had better sit here and have a rest．你最好在此坐坐休息一會(huì)兒．（現(xiàn)在）He had better stay in bed tomorrow．他最好明天臥床休息．（將來）．2、當(dāng)其后接 have 加過去分詞時(shí)，表示過去概念，如：He had better have stayed in bed as I suggested．他最好接納我的意見臥床休息．（但他沒臥床休息）You had better have had tea，but you asked for coffee．你最好喝茶，但卻你要了咖啡．3、had better 的否定式是在其后加not，如：You had better not say it again．你最好不要再提那件事了