If you come 后面用 I come 还是 so I will

If you come 后面用 I come 还是 so I will If you want I come,I will do you know if he will come为什么if后面用将来时如题,急 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 用所给词的正确形式填空.1.If I come,I ____ (see) you.2.If I came,I _____ (see) you. If You Come Back He will come.I'll tell you.(用if合并为一个句子） I will ring you if he __(come) tonight.用正确的形式填空 he will come here .i will let you know .用if连成一句 He will come back.I will tell you用if合成一句 He wil come.I will let you know?(用if连成一句话) I will ____ happy if you come填什么. I will come back, if you call me 是什么意思? if you want me,i can come back. --------(if,but,because)necessary ,i will come to help you. Will you still be there if i come back if i cant come back what will you do.