【正文】
old friend.(表時間) Seeing no body at home , she decided to eat outside.(表原因) The child fell, striking his head against the ground.(表結(jié)果)Ought to 1) to show a moral duty 表示一種道義上的責(zé)任,應(yīng)該 ought to look after her child better. You ought to study hard to get a high mark. ought to have done 表示本應(yīng)該…,而卻沒有… ought to have e yesterday. 過去分詞短語作 后置定語,表被動。獨立主格結(jié)構(gòu)有下面幾種形式: ?、倜~(代詞)+動詞ing形式 We shall play the match tomorrow ,weather permitting ?、诿~(代詞)+過去分詞 The job finished ,we went home. ?、勖~(代詞)+不定式 So many people to help him,he is sure to succeed. ?、苊~(代詞)+介詞短語 A girl came in,some books in hand. ?、菝~(代詞)+形容詞或副詞 He sat in the front vow, his mouth half open. ?、轙here being +名詞(代詞) There being nothing else to do ,we went home. ?、?It being +名詞(代詞) It being Christmas, the government offices were closed. At school ,they had learned that most Canadians live within a few hundred kilometers of the USA border. 過去完成時態(tài):had learned 但由于從句表達的是客觀事實所以從句使用一般現(xiàn)在時。 reward sb. with sth. 用某物酬勞某人 12. admire sb. for sth在某方面欽佩某人 forward to期望,期待,盼望 14,have fun