南充恒大城怎么样:think of后是+ to do还是doing?

think of后是+ to do还是doing? 是woul'd you please not to do ，还是woul'd you please do not to do 是you 'd better not do 还是you 'd better not to do make a good use of 后加doing 还是to do? -----What do you think of the Prime Minister's speech to the nation? i'd like to do还是do? come to think of it waste time of doing ?还是waste time to do? what do you think of Americans? what do you think of them是什么意思