supposed to do sth（be supposed to do sth）
發(fā)布時間：2025-12-12 | 來源：互聯(lián)網(wǎng)轉(zhuǎn)載和整理
1、1.be supposed to do= should do 應(yīng)該做某事：you are supposed to go to school on time=you should go to school on time.你應(yīng)該按時上學(xué)。
2、2.be supposed to have done sth= should have done. 應(yīng)該做成了某事（實(shí)際上沒做成）：You are supposed to have done your homework= you should have done your homework.你本應(yīng)該能完成作業(yè)的。