【正文】
, I won’t go to the concert.Unite 5含有情態(tài)動詞的被動語態(tài)?!?The bicycle can be mended in two hours. Teenagers should be allowed to go out with their friends. 句式變換:否定式在情態(tài)動詞后加not,疑問句是把情態(tài)動詞提到主語前。 We must speak to the old people politely. The old people must be spoken to politely.:“主語+be+及物動詞的過去分詞+其他”,其中be有人稱、數(shù)和時態(tài)的變化。 If I should see her this afternoon, I would tell her the news. If it shoul