I don′t know if he come this afternoon

I don′t know if he come this afternoon I don′t know if comes back this afternoon 1.I don't know if ________ this afternoon. I don't know if he will come tomorrow. I don't know if he ____ ( come ) I don't know if he ___(come) tomorrow.If he ____(come),I'll I don't know if he will come tomorrow i think he if he free 1.----I don`t know ____Tom will come this afternoon.----I`m I don't know _____ I am free this afternoon.A whether B if 选 【初三英语从句】I don't know if he ______(come) back,if he _______(c I don't know if he ___.if he ____,please tell me .(come) 英语翻译I don`t know if Jack【 will come】.If he 【comes】 ,call me,