Often后加 have to 句型,要用过去式吗
Often后加 have to 句型,要用过去式吗
I have nothing to do but read 这里的read是原型还是过去式,but后加什么?能加过去式吗
have to加动词的过去式,had to加什么?
have to 有过去式吗?
have fun句型是怎样的?have hun后,动词ing前需要加介词吗?
have been后加动词原型还是过去式谢谢了,
to 后可以加过去式吗 为什么我见到our time to saw
英文中的句型为什么要加have
Does he often have to go to the doctor?为什么要加the啊`have在这里什么意思
to be句型和to have句型怎么用啊!
动词过去式后加动词要不要变过去式
过去式时was/were后加动词过去式吗?