seem to do、seem to have 语法上有什么区别.分别用在什么地方,

seem to do seem to have done seem to do seem to do seem to do 还是 seem doing? seem to do 和seem that是什么意思? seem to seem to seem to do sth 中文翻译 seem 后加to do seem to do sth 中文 sb seem to do sth seem to do和seem to have done的区别 seem to be doing sth ,seem to do ,seem to have done sth这三者有什么区别, 有seem doing 与seem to do有什么区别? seem doing sth 还是 seem to do sth?RT 英语seem to do 和seem doing的区别 seem to do和seem that的区别 英语翻译句型为 seem +形容词seem+to do sth seem +从句对的必有重谢