I've got to go shopping first
我不得不先去购物.
have got to=have to
不得不...
have got 和have意思一样,都有"有"的意思,have got多用于口语.他们在下面情况下可以互换.
① I have a pen.I have got a pen.“有”
② I have a headache.I have got a headache.“得病”
③ have to = have got to
以上三种情况have =have got
这个新东方老师的解释,我认为还是有道理的.