Question

【小題1】He taught in this school last year.(把last year改為 since last year)
He _________ _________ in this school _________ last year.
【小題2】They didn’t clean the classroom yesterday.（改為被動(dòng)語態(tài)）
The classroom _________ _________ yesterday.
【小題3】We have already returned the books.（改為否定句）
We _________ __________ the books ___________.
【小題4】Rice is grown in China.（劃線部分提問）
_________ is rice ___________?

Answer 1

【小題1】has taught,since
【小題2】wasn’t cleaned
【小題3】haven’t returned,yet
【小題4】Where grown

解析【小題1】把last year改為 since last year，時(shí)間由時(shí)點(diǎn)變?yōu)闀r(shí)段，那么時(shí)態(tài)也就相應(yīng)的由一般過去式變?yōu)楝F(xiàn)在完成式。
【小題2】被動(dòng)語態(tài)的結(jié)構(gòu)是 Be+動(dòng)詞過去分詞，而且句式是一般過去式。
【小題3】現(xiàn)在完成式的否定結(jié)構(gòu)是has(have)后面加not, already與肯定句式連用，yet與否定句式連用。
【小題4】對(duì)地點(diǎn)的提問用疑問副詞where。