主动式被动式一般式完成式进行式完成进行式todotobedonetohavedonetohavebeendonetobedoingtohavebeendoingnotnotnotnotnotnot1.ToknowsomethingaboutEnglishisonething;toknowEnglishisquiteanother.2.Todothatsortofthingisfoolish.=Itisfoolishtodothatsortofthing.Itis+adj.+for/ofsb.todosth.Adj:...

时间:2024-11-20 09:30栏目:中学教育