It is comfortable doing sth.有这个句型吗?

It is comfortable doing sth.有这个句型吗? 有it is time for sb.doing sth.和it is time for doing sth.这个句型吗 有It takes sb.some time doing sth.这个句型吗?和有It costs sb some ti it's important that sb is done sth有这个句型吗 There is sb doing sth.这个句型的用法 关于time 的句型It is the time for doing sth 有没有It is the time to there is nothing wrong with you doing sth.这个是句型吗? 请问有没有sb.be there +doing sth.这个句型? 可以说It is easy doing sth吗 when sb doing sth,sb doing sth 这个句型可不可以? 有没有it is hard to do sth这个句型,今天上午要答案 it is sb to do sth 有没有这个强调句型?