Time permitting,I'll go to see my friends tomorrow.这句话的意思?

Time permitting,I'll go to see my friends tomorrow.这句话的意思? if it （）sunday tomorrow,i （）go to see my friends there.为什么用 If it ___ tomorrow,I ___ go to see my friends. If it ___ Sunday tomorrow,I ___ go to see my friends there. I will go to see my uncle tomorrow I will go to the party with my friends tomorrow evening.的同义句 I'll go for a picnic with my friends tomorrow.That sounds in 用if合并句子：I'll come to see you.I have time tomorrow. I'll come to see you .i have time tomorrow.用 if合并两个句子 My sister is a nurse.和 I shall go to see him tomorrow.的句子成分分 I'll come tomorrow,weather permitting.此处为什么填permitting? I shall go to see him tomorrow.的句子成分划分