用if是否的意思造5句话（常用简单的）
问题描述：
用if是否的意思造5句话（常用简单的）
答
1.If Tom would come with us is a question.2.If the weather will be good plays an inportant role in our tomorrow daily scedule.3.If the bird can survive is remained to seen.4.If the team can keep it up...