英语.用适当的词填空

问题描述:

英语.用适当的词填空
He often ___(watch)TV in the evening 这句话用什么单词,为什么用这个单词,什么时候用watches

答案是:watches.因为he是第三人称单数.在一般现在时中,当主语是第三人称单数时,行为动词后加s或es.行为动词后加s或es的规则是:1.一般情况在词尾加s 如:look,like,eat,run,put,listen2.以s,x sh ch结尾的词加es 例...那请问在什么情况下用原形或s或es,如果答的好,可以采纳谢谢了在一般现在时中:1、主语是Iyou wethey时,行为动词用原形。如: Ioften watchTVin the evening.weoften watchTVin the evening. You often watchTVin the evening.Theyoften watchTVin the evening.2、在否定句和疑问句中,无论任何人称,行为动词一律用用原形。如: He\she\we\theydon't watch TV in the evening.3、当主语是第三人称单数时,在陈述句里,行为动词后才加s或es。如:He\she often watchesTVin the evening.祝你学习进步,若满意请及时采纳,多谢!