是can to do sth.还是can do sth.

是can to do sth.还是can do sth. what you can do is...后面是to do sth还是do sth?另外doing sth行吗 是can't wait to do sth.还是can't wait doing sth. Can you do sth还是Can you doing sth can't help do sth/can't help to do sth./can't help doing sth can you do sth. can't wait to do sth.还是 can't wait doing sth. it can help you是do sth是to do sth, can not wait to do sth. can't wait (to do sth)=? 是should to do sth 还是 should do sth? must 后面是加to do sth.还是do sth.