is to do sth

it is n.to do sth. is+形容词+for sb .+to do sth. is+adj+for to do sth 可以说sb is suitable to do sth? It is the first ...to do sth. it is worth to do sth. It is a pleasure to do sth. It is times to do sth造句 It is good idea to do sth... It is worthy to do sth. it is+adj+to do sth.意思 It is fun to do sth造句