【正文】
long ago. Two years ago those machines shoes for children. was built (by people) were used (by us) to make 一般將來(lái)時(shí)的被動(dòng)語(yǔ)態(tài): will / be going to + be + 過(guò)去分詞 6. We will write a diary next class. 7. Tom is going to hold a birthday party. A diary next class. A birthday party . will be written (by us) is going to held by Tom情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài): must/have to/can等 + be + 過(guò)去分詞 8. You must throw the broken pottery away at once. 9. We have to finish our homework on time. The broken pottery at once. Our homework . must be thrown away