often后什么時(shí)候加s和ing:
I often play computer games.She often plays computer games.
當(dāng)主語(yǔ)是第一人稱(I,We)、第二人稱(You,You)或者是第三人稱復(fù)數(shù)(They,students,teachers.)時(shí),often后面的動(dòng)詞不加-s
當(dāng)主語(yǔ)是第三人稱單數(shù)(She,He,It,人名.)是often后面動(dòng)詞加-s ing是不用加的,應(yīng)該沒(méi)有這個(gè)說(shuō)法。
often后面加動(dòng)詞原形還是加s,這是分情況的.。若主語(yǔ)為第三人稱單數(shù)(他,她,它),則動(dòng)詞應(yīng)變?yōu)榈谌朔Q單數(shù)形式。多數(shù)動(dòng)詞后跟s,特殊的動(dòng)詞會(huì)跟es,如:do-does,go-goes.若主語(yǔ)為除第三人稱單數(shù)外的人稱(你,我,你們,我們,他們,她們,它們),則動(dòng)詞應(yīng)為原形,不做改變。