Some girls are going to exercise more to keep fit涉及到什么语法点?

Some girls are going to exercise more to keep fit涉及到什么语法点? some girls are going to exercise more to keep fit Some girls going to exercise more to keep fit. Some girls are going to exercise more to keep fit.这句话中为什么to 连词成句： 1.girls,more,some,to,keep,exersise,going,fit,are,to The twins are going to exercise more to keep fit.（改写同义句） 同义句转换 1.some girls are going to keep fit some many girls exercise _ to keep fit. You need to exercise more to keep fit. You need to exercise more to keep fit.(同义句) We should do some exercise to keep fit疑问句 2题句型转换 1、She is going to exercise more to keep fit.（对划线的提问：t