had /have to后是不是加动词原形啊?
had /have to后是不是加动词原形啊?
have to是介词吗?后加动词原形吗
want to .would like 后面是不是加动词原形啊?
have to后面加动词原形吗?
have to是加动词原形吗?
to后是不是跟动词原形
情态动词后是不是全加动词原形?
Perhaps she had to go home early.这个had 后加了动词原形,到底是什么时态..
do you love后是不是加动词原形
will与be going to后是不是加动词原形构成将来时 例:I will______(eat)lunch.是不是填
to 后加动词原形to做什么成分
英语中to后是不是都要加动词原形?