It was supposed to be turned in on Friday.句子中的 was supposed to 表示應(yīng)該,做情態(tài)動(dòng)詞should用,所以在it should be turned in on Friday.這個(gè)句子中,should be turned in是謂語(yǔ)部分,并不是狀語(yǔ),on Friday才是...第一個(gè)老師說(shuō)是狀語(yǔ)？那你自己感覺(jué)一下吧。不過(guò)，這兩個(gè)句子不需要強(qiáng)求成分的分析。第一句是注意be supposed to的用法，第二句則是學(xué)會(huì)it is better to do than to do的句型。能夠?qū)W會(huì)這兩個(gè)句型就可以啦~