see to do sth和seem

sb seem to do sth seem to do sth是什么意思? seem to do sth 中文 seem doing sth 还是 seem to do sth? 用seem造句,比如seem to do sth,to be 加形容词,名词和介词还有seem that. seem to be doing sth ,seem to do ,seem to have done sth seem to do sth. 谁是谓语? want to do sth ,seem to do sth ,help to do sth,need to do st 英语翻译句型为 seem +形容词seem+to do sth seem +从句对的必有重谢 it is time to和see sb do sth造句 what is the difference between 'seem to do sth' and' seem do seem to do和seem to have done的区别