needn't 后面加to do 还是 do?

needn't 后面加to do 还是 do? Needn't + do还是+ to do can't help but 后面加to do 还是do? they needn′t to do sth 还是 they needn′t do sth? take后面加to do还是do hope 后面加to do ,还是do? how do you like...后面加to do 还是do why not后加do还是to do?why don‘t you 后面呢? ask后面是加to do还是doing,还是do? dislike后面加to do还是do 还是doing hard后面加doing还是to do refuse后面加to do 还是doing