高中英語(yǔ)語(yǔ)法句子結(jié)構(gòu)-資料下載頁(yè)
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【正文】 o express possibility and enable Ss to master the usage of “may”, “might”, and “l(fā)ikely”. help Ss learn how to use modal verbs “may” and “might” to express Procedures: Step Check the answers to the Vocabulary exercises in the Ss to do Activity 1 on page 54 and call back the give them the correct Ss to identify the creatures in the pictures in Activity 4 on page 55, by using “may” or “might”.Arouse their interest in talking about Ss to do Activity 2 on page 54 check their Ask Ss to work in groups and discuss the question in Activity 1 of Grammar on page give them the right Explain how to use modal verbs to talk about something which happened in the past—perhaps.(1)對(duì)過(guò)去的事情進(jìn)行猜測(cè)，但把握較小時(shí)，肯定形式一般用may have done，否定形式一般用may not have done。如：He may have gone back home, because he didn’t say he would take part in her birthday may not have paid for the bill, because he had lost his job.(2)對(duì)過(guò)去的事情進(jìn)行猜測(cè)，但把握更小時(shí)，肯定形式一般用might have done，否定形式用might not have done。如：They helped send her bat to the hospital。otherwise, she thought, the baby might have might not have left home when I got to school.(3)對(duì)過(guò)去的事情進(jìn)行猜測(cè)，并且可能性較大時(shí)，肯定形式一般用must have done，否定形式一般用can’t have done。如：Your score is the highest。you must have studied very can’t have seen her in her office last Friday。she’s been out of town for two Ask Ss to do Activity 2 on page call back the answers and correct Explain how to use modal verbs to talk about something which happened at present—：must, can, may等，但它們所表示可能性是不同的。(1)對(duì)現(xiàn)在的事情進(jìn)行猜測(cè)，并且可能性較大時(shí)，肯定形式一般用must加動(dòng)詞原形，此時(shí)，must不再表示“必須”，而是表示“肯定”；否定形式一般用can’t加動(dòng)詞原形，此時(shí)，can不再表示“能夠”，而是表示“肯定不??”。如：I saw him go out just can’t be in his own must be Linda in the classroom, because she is on duty today.(2)對(duì)現(xiàn)在的事情進(jìn)行猜測(cè)，但把握較小時(shí)，肯定形式一般用may加動(dòng)詞原形，此時(shí)，may不再表示“可以”，而是表示“可能”；否定形式一般用may not加動(dòng)詞原形。如：He may tell the truth to his may not angry because she is goodtempered.(3)對(duì)現(xiàn)在的事情進(jìn)行猜測(cè)，但把握更小時(shí)，肯定形式一般用might加動(dòng)詞原形；否定形式一般用might not加動(dòng)詞原形。如：She might not be angry because she usually is very might be at home now, but I’m not sure.(4)情態(tài)動(dòng)詞+動(dòng)詞現(xiàn)在進(jìn)行時(shí)，表示對(duì)現(xiàn)在或?qū)?lái)正在進(jìn)行的情況進(jìn)行推測(cè)。如： At this moment, our teacher must be correcting our exam Wang isn’t might be giving a lecture in the hall.(5)情態(tài)動(dòng)詞+動(dòng)詞的現(xiàn)在完成進(jìn)行時(shí)，表示對(duì)過(guò)去正在發(fā)生事情的推測(cè)。如： Your mother must have been looking for light was on the whole may have been doing his homework all the Ask Ss to translate the following sentences.(1)他們也許錯(cuò)過(guò)了那班飛機(jī)。(2)快點(diǎn)！他們正在機(jī)場(chǎng)等我們。(3)Tom是個(gè)誠(chéng)實(shí)的孩子。他今晚可能會(huì)把真相告訴他父親。(4)他五年前來(lái)看過(guò)我，他也許不費(fèi)勁就能找到我的住處。Step Ss to review Ss to finish Grammar exercises in the Workbook pages 97~98.
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