句式it's ok to do sth before XX

句式it's ok to do sth before XX 英语固定句式比如make sb.to do sth.have to do sth.it takes sb.to do s it is one’s duty to do sth句式仿写 It is +adj +to do sth.是什么句式啊? It's adj to do sth 例句 It's your turn to do sth. It's adj to do sth It’s+形容词+to do sth. It's time to do sth It’s not necessary to do sth.的句式结构及用法?哥哥姐姐弟弟妹妹帮个忙啦. It is adj to do sth/It is adj doing sth两个语法句式都对吗? It's easy +doing sth.还是＋to do sth.?