...变化。例如:一般体 (to) do进行体 (to) be doing完成体 (to) have done完成进行体 (to) have been doing不定式也可以有被动语态,例如:(to) be done(to) have been done不定式符号to打在括号里,意思是to在有些场合是要省略的。例如在情态动词后的...
The boy wants to go to the park.如果对上句中to the park提问,是否可以用下面第二句方式?特殊疑问词在什么情况下放在句首,什么情况下可以放在非谓语动词短语里?1. Where does the boy want to go?2. The boy wants where to go?