谓语动词

1.动词是高考常考的项目。学习动词首先要搞清:1)谓语动词2)非谓语动词。如:1)They are working hard to pass the exami-nations.(w orking是谓语动词,此处是进行时态。)他们正努力工作,为的是通过考试。2)H e is busy w orking on his book.(w ork-ing是非谓语动词。)他忙于写书。2.谓语动词要注意时态。构成时态的助动词有be,have,w ill,shall,used等。如:3)H e is not eating,but sleeping.(现在进行时态。)他不在吃,他在睡。4)H e w as w alking along the street w hen hecaught sight of the sign.(过去进行时。)他在街上走着,这时…