i don't know if 后跟什么从句时态是怎样的

i don't know if 后跟什么从句时态是怎样的 I don't know how I could repair the bike.此句I don't know后跟的是什么从句? 英语翻译i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know 为什么I don't know if it will rain tomorrow什么从句 (w )if i don't know angone?括号里应该填什么? if i don't know how to swim------------.条件状语从句.后面填什么? I don't know if he ____(be) free tomorrow. what if I don't know anyone 的意思 You don't know even if I vanish from your what if I don't know anyone?同义句转换 What,I,anyone,don't,if,Know连词成句 What,I,anyone,don't,if,Know,连词成句 I don't know if he ____ ( come ) Hao can i know ,if you don't say sorry,I don't know!什么意识? who is 什么?I don,t know I don't know is whatI don't know if I can still not able to persistDon't know if I couldDo not know What if I don't know anyone?同义句What __ __ __ if I don't know anyone