there are some people (do dth) 还是 doing sth

some people are doing sth others are doing another thing 然后就 There are more and more people是加to do 还是doing? 英语语法：是spend some time doing sth.还是spend some time to do sth. 是have some time doing sth. 还是 have some time to do sth. There are sb doing sth there be sb.do sth 还是there be sb.doing sth.有何区别 find sth+do还是doing, when are you doing sth?正确还是when are you do sth?正确? plan+to do sth.还是doing sth.还是 do sth. expect to do sth还是doing sth? have somebody do sth 还是doing sth? after do sth.还是after doing sth.