She saw from their face that they already knew .這個(gè)句子后半句是不是可以改為they have already known.

熱心網(wǎng)友

ifyou'dliketochangethesentenceitshouldbe"thehadalreadyknown"thereaonis "theyknow"happenedbeforetheactionof"isee"since"isaw"-----pasttense,so""theyhadalreadyknown"----pluperfect(that'swhenitisused)otherexamplestheyhadallgonewheniarrived.

熱心網(wǎng)友

不可以，因?yàn)榍鞍刖渲械膕aw是過(guò)去式.后半句謂語(yǔ)動(dòng)詞的正確形式應(yīng)該是had known.

熱心網(wǎng)友

應(yīng)該把have改為had

熱心網(wǎng)友

如果一定要改，那就應(yīng)當(dāng)使用had ,而不是have

熱心網(wǎng)友

no,maybe it should be"they had known".

熱心網(wǎng)友

yes,it is ok