为什么是If it is fine tomorrow?

if it is fine tomorrow,we___there. If it ( ) fine tomorrow ,let We will have a picnic if it is fine tomorrow If it is fine tomorrow,we___（go）fishing We'll start if it is fine tomorrow morning. 不是if it were to be fine tomorrow吗?提前是：were it to be fine 从句的时态问题he wants to know if it is a fine day tomorrow这句话为什么从句 We'll go if it is fine tomorrow.为什么主句用将来时而宾语从句却用一般现在时? 用IF合并下列句子(1)It is possible that it will be fine tomorrow./I 连词成句 have a picnic,will, it, we,if,fine,tomorrow,is weathe If it is fine tomorrow,I will want to go to the park with yo 1.If it is fine tomorrow,we ______ a football match.