高考英語單元知識點復習Unit 9-Unit 10
if we are to develop the world successfully,we must make sure that everyone is able to take part in the new world we create.如果我們要成功地開發世界，就必須確保人人都能夠參與我們創造的新世界。be to do sth.結構為動詞不定式作表語的特定用法，注意下列例句中該結構所表達的不同意思。例：we are to meet at the school gate.我們約好在校門口碰頭。the prize is to honour him for his great discovery.獎品是為了表彰他的重大發現。he traveled to many mountain villages and saw many poor children out of school.this experience was to change his life.他走了許多山村，看到了很多貧苦孩子失學。這一段經歷后來改變了他的一生。鏈接·提示 be to do結構可以表示：（1）預定 he is to return from germany tomorrow. （2）（表義務）應該做、必須做 you are to be back by 9 o’clock. （3）（表可能）會做 （4）（表命運）注定練：at that time few people would accept einstein’s ideas,which_______correct many years later.a.were to prove b.were provedc.would have proved d.were going to prove提示:be to do在此表示“注定”。答案:a2.only+狀語+倒裝句講：請觀察下面教材原句：only by changing the way we live can we save the earth.只有通過改變生活方式我們才能拯救地球。當only引導狀語位于句首時，句子使用主謂語倒裝的詞序。suspense in news is torture.難辨消息的真假，對人是一種折磨。例：only with hard work can you expect to get a pay rise.只有努力工作你才有加薪的可能。only in this way can you learn maths well.只有用這種方法你才能學好數學。鏈接·提示 注意只用only引導的成分作狀語且位于句首時才能倒裝。練：mary had to wok at evenings and weekends.only in this way_______able to complete the report by the deadline.a.was she b.she wasc.had she been d.she had been提示:only in this way 作狀語且位于句首，使用倒裝，故首先排除b、d兩項。根據上下文應用一般過去時。答案:a辨析1.as though，even though，though