5、cher.Wehavekeptdoingourhomeworkforalongtime.Let’sstoptolistentomusic.2.forget to dosth.和forget doingsth.“forget to dosth.”不要忘记做某事(未做的事情);“forget doingsth.”忘记过去做了的事情(已做)。例如:Sorry,Iforgottobringthebook.Iforgotborrowingabookfromyou.(remember to dosth.和remember doingsth.)记着要做某事;记得做过某事例如:Rememberto
6、writealettertomyparents.Iremembermeetinghiminthestreet.3.havesth.done.(过去分词)(让别人)做某事例如:Ihadmyhaircutyesterdayafternoon.Mycomputercannotworknow.Imusthaveitrepaired.4.感官动词后接不带to的不定式或者现在分词的区别例如:see sb. dosth.看见某人(经常)做某事see sb. doingsth.看见某人(正在)做某事I often see him do exercise in the morning.When I
7、was walking in the park, I saw him drawing a picturethere.5.在主动语态中,感官动词(see,hear,feel,watch等)和使役动词(make,have,let等)要求接不带to的不定式做宾语补足语,而在被动语态里,不定式要带上to。例如:Thebossoftenmadetheworkerswork10hoursaday.Theworkersweremadetowork10hoursaday.Shewas