【正文】
ernoon. 今天下午我來(lái)不了。 3.表示請(qǐng)求、邀請(qǐng),有時(shí)用 could表示語(yǔ)氣更委婉。 單元語(yǔ)法聚焦九 4.表示推測(cè):可能,會(huì) (一般用于疑問(wèn)句和否定句中 ) Today is Sunday. He can39。t be true. 那不可能是真的。t B. shouldn39。m afraid I need a pair of glasses. I ________ hardly see the words on the blackboard. —That39。 ( )5. [2020t D. shouldn39。t C. needn39。t C. should D. may [答案 ] B 。t [答案 ] B ( )7. —Could I call you by your first name? —Yes, you ________. A. will B. could C. can D. might 單元語(yǔ)法聚焦九 [答案 ] C ( )8. Michael ________ be a policeman, for he is too short. A. needn39?;窗?] —Can I park my car in front of the building? —No, you ________. A. won39。t B. needn39。由 “I39。t D. mustn39。 單元語(yǔ)法聚焦九 ( )1. [2020t be at school. (could不是過(guò)去式,只是表示語(yǔ)氣更委婉 ) 今天周日,他不可能在學(xué)校?!?(不能說(shuō)“ Yes, you could.”) [注意 ] (1)表示允許別人做某事時(shí),只能用 can,不能用 could(這里 表示語(yǔ)氣委婉 )。 You can39。 can只有