can 后面动词要保持原形?例如The only person he could counted on was his friend,Bob.count要否变?

can 后面动词要保持原形?例如The only person he could counted on was his friend,Bob.count要否变? TO后面动词要不要保持原形? do/did/dose、can/could 后面有两个或两个以上的动词时,所有动词都要保持原形吗? Can 后面为什么跟动词原形? can后面加动词原形吗 can后面是动词原形吗 “Does”后面的动词是否要保持原形?请问第三人称单数现在式的,“Does”（提问）后面的动词是否要保持原形? can 后面用is are 就是说can后面的be动词 要用原形吗 What you can do is 后面跟动词为什么是原形,例如what you can do is look at the fact而不是looking at the fact?is 后面跟的不应该是名词吗? can‘t后面的动词是动词原形吗? The baby can't crawl yet,let alone walk!let alone 后面接动词原形? can和not后面跟动词原形吗?还有什么单词后面必须跟动词原形? 用can造句,can后面的动词用原形吗?例如:我会跳舞,I can dance.can后面要不要用原形,需要看时态吗?我会洗衣服,I can wash clothes.如果是第三人称,只要换一下主语,其他不用换吧? we must do everything we can to keep the balance of the naturecan 后面不是要动词原形么,怎么 还有to啊?以上. must后面要跟动词原形吗? help 后面是不是要加动词原形? please后面为什么要加动词原形 like后面要加动词原形吗