为什么是If it is fine tomorrow?为什么用＂is"

为什么是If it is fine tomorrow?为什么用＂is The weather is going to stay fine.为什么是 fine作表语 而不是going to stay fine或 stay fine? He wants to know_________________.A if it will be fine tomorrowB if it is fine tomorrowC when the train leaves - Could you tell me how Nancy usually goes to school?- Yes.If it is fine,she (ride）to school.答案为什么是rides,填will ride (主将从现)行吗? If it is fine tomorrow,I will want to go to the park with you.改错 Tommy,do you know if Frank ______ to the zoo Sandy if it ______?A.will go;it's fine B.goes;is fine C.will go;is going to be fine D.goes;will be fine We'll go to in the park if it is fine tomorrow if it is fine tomorrow.i'll go to the beach.so____iam willcan do If it is fine this afternoon,we will go to play basketball -Tommy,do you know if Frank_to the zoo this Sunday if it _.-Sorry,I have no idea.A.will go;is fine B.goes;is fine C.will go;is going to be fine D.goes;will be fine Tommy,do you know if Frank will go to the zoo this Sunday if it is fine?翻译? 组词成句know,will,go,this,Sunday,do,you,if,Frank,if,fine,to,the,zoo,it,is? If it is fine tomorrow,we___（go）fishing 为什么是what fun it is to. We'll go to _____ in the park if it is fine tomorrow.We'll go to _____ in the park if it is fine tomorrow.（仅限一词）如果明天天气好，我们就去公园玩。 If it will be fine tomorrow,we will go to the park.是应该用will be 还是 is she wanted to know .is it fine tomorrow合并为一句话 -Tommy do you know if Frank —— to the theatre with us this sunday if it——?-Sorry I have no ideA.will go；is fine B.goes ；is fine C.will go；is going to be fine D.goes；will be fine