The first thing I have to do is(to learn ,learning)English

after I get home ,the first thing i have to do is to finish “All I have to do is learning English. The first thing you have to do is The first thing I want to do is _____ the first thing we need to do is that we should learn to car What I have to do is learn English What I have to do is learn English. 英语翻译The first thing we have to do is make a plan.The first t The first thing I want to do is have a good rest.这句话对吗?is后面加 All I have to do is learn English.这句里learn是动词,前面干吗用is The thing I have to do All I have to do is learn English. 中的learn是不定式吗?