用It is + adj + to +verb的句型连词成句例句{ public rude in shout }It is rude to shout in public.1.{ important before wash swim you }________________________________________2.{ essential a lock clothes locker（寄物柜）in }______________

it作形式主语怎么用?it+is+adj.+to+v. It is +adj doing 什么时候用?It is +adj to do什么时候用? 用find it is adj.to do sth造句 用It is+adj.+to do sth.造句 用 it is+adj.+for sb.to do 造句 用it is adj sb to do sth造句 5例用it is adj for sb to do sth造句..... it is+adj+to do sth.意思 It is +adj+to do 越快钱月多 It is+adj+to do sth it is adj.to do sth.it is adj.doing sth.有什么区别it is adj.to do sth.it is adj.doing sth.有什么区别? 造句：1、It is +adj.+to do.2、It was +adj.+to do.3、It will be +adj.+to do. it is adj.of sb.to do sth.it is adj.from sb.to do sth. It is + adj to do sth ---It is + adj to do sth --- （意思）n.短语 用it is＋adj.to do it is＋n.that造句 It is +adj+-ving和It is +adj+to do sth可以互换吗? it is+adj+从句 It is +adj +to do 有这个句型么?It is +adj+for sb to do sth 与 2.It is+adj+of sb to do sth, it's+adj.+for sb.to do sth.若for改为to用法!it is adj.to sb.to do sth.是一定存在的,eg:it is helpful to us.it is good to me.it is adj for sb.to do sth.出现更多：it was too hard for me to carry them.请问在什么时候用to,for,这个