His face suggests that he looks worried .He insists he is a

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His face suggests that he looks worried .He insists he is a student.为什么用一般现在时?与过去时的
区别?

1. 这里的suggest是“表明、暗示”的意思,那么主句用一般现在时,从句根据需要用各种时态,这里用一般现在时；主句用过去时,从句用相应的过去时态（这个是真实的语气）.如果是“建议”的意思,那么从句用(should)+动词原形,如：Our teacher suggested that we (should) study hard.(这个是虚拟语气）
2. 同样, insist也有类似的用法,只是意思不同“坚持”,如果坚持一个事实,那么是真实的语气.如果坚持让某人做某事,就是虚拟语气,从句用(should)+动词原形,如：
I insisted I ______ (be) right, and that I ______ ( not punish).
第一个用was, 因为是真实的,而且主句用过去时, 第二个用(should) not be punished.
我坚持认为我是正确的,不应该受到惩罚.
希望对你有帮助
再问：我知道这是陈述语气啊，我的问题是“为什么是suggests而不是suggested？为什么是insists而不是insisted？”
再答：对不起没看清你的问题。其实这里可以用suggested 和insisted，如果用了一般过去时，那么陈述的这件事发生在过去，只要把后面都改成一般过去时就对了。而且我觉得用一般过去时比一般现在时要好。 Sorry.

His face suggests that he looks worried .He insists he is a 'His face suggests that he looks worried .'中的'looks'是不是多余? His face suggests that he looks worried .他的表情暗含着他很担心 1.The ( )expression on his face suggested that he( )worried His ___ face suggests that he had many experiences in his li the smile on his face suggests that he was pleased with what Jack looks happy.He always----a smile----his face he looks { }A.worryB.worryingC.worriesD.worried He wears a big smile on his face .There is no d____ that he his pale face suggests he ___sick and I suggests he___a doct He insists that he has finished his homework .此处that省略吗? he looks worried对worried提问