1、句型转换一、肯定句变为一般疑问句及否定句a. 变为一般疑问句时,系动词be、助动词或情态动词置于主语之前。[例1]Hewassoclever.____________soclever?[例2]Johnfelthappyatthattime.______John______happyatthattime?[例3]Wecanflytothemoononeday.____________flytothemoononeday? b. 变为否定句时,系动词、助动词或情态动词后加not。[例1]Thetwinswerehappytoseetheiruncle.Thetwins________