【正文】
: 1)一般情況在動(dòng)詞原形后 加 ed watchwatched 2)以不發(fā)音 e結(jié)尾的加 d practicepracticed 3)以輔音加 y結(jié)尾的,去 y變 i加 ed studystudied 4)以重讀閉音節(jié)結(jié)尾,末尾只有一個(gè)輔音字母, 先雙寫該輔音字母,再加 ed stopstopped : am is are been have has had do done write written go gone ?The telephone ___________(invent) by Bell in 1876. ?The trees may ____________(plant) in spring. ?Teenagers should not ____________(allow) to drive. ?English ___________(speak) in Canada. ?Math must ___________ (study) well. ?We ________(need) to learn English. Finish the sentences was invented be planted be allowed is spoken be studied need Write some of your rules at home Use I’m allowed to… I’m not allowed to… The more, the better. 。 ?含有情態(tài)動(dòng)詞的被動(dòng)語態(tài):情態(tài)動(dòng)詞+ be+及物動(dòng)詞的過去分詞。 - What rules do you have at home ? - Well , I’m not allowed to go out on school nights. ?定義 :表示主語是動(dòng)作的承受者 . ?構(gòu)成 :助動(dòng)詞 be+及物動(dòng)詞的過去分詞。 Anna is allowed to wear her own clothes. 。 I think sixteenyearolds should be allowed to drive. Sentence structure: “ sb. + should / should not + be allowed to do ...” 2. 我不同意,我認(rèn)為 16歲這個(gè)年紀(jì)太年輕了。 (3) It seems + that 從句 =主語 +seem to do It seemed that nobody knew anything about the matter. =Nobody seemed to know anything about the matter. 看來沒有人知道這件事。 seem的其他用法 : (1) se