【正文】
t表示委婉語氣could, should, would, might等有時(shí)不表示過去時(shí),而是表示委婉客氣的語氣。Would you tell me the way to the park? 你能告訴我去公園的路嗎?must和have/has to的區(qū)別意思均為“必須“,??梢曰Q。但have/has to用于強(qiáng)調(diào)客觀需要,意為”必須,不得不“;must用于表示主觀意愿,意為”必須“ 。I have to go to school now. 我現(xiàn)在必須去上學(xué)了。We must work hard at school. 在學(xué)校我們必須努力學(xué)習(xí)。maybe和may be的區(qū)別may為情態(tài)動(dòng)詞,后加動(dòng)詞原形be,常用在句中; maybe為副詞,表示“大概,也許”,相當(dāng)于perhaps,常用于句首。can’t和mustn’t的區(qū)別表否定推測時(shí)用can’t。 mustn’t表示“禁止,不允許“,在肯定句中must表推測,意為”一定“。題組練習(xí)182。 Let’s set out for Beijing before 5 . Then we___(能夠)get there before sunrise.182。 That man___(不可能)be Mr. Zhang. He has gone to Beijing on business.182。 I___(能,會)fly a kite at the age of five.182。 He___a student. I’m not sure.182。 Mother was badly ill yesterday, so I ___(不得不)stay at home and looked after her.答案:will be able to/can’t/could(was able to)/may be/had to(三)專項(xiàng)測試