在初中英语中,主要有三大从句,即宾语从句、定语从句、状语从句(包括时间、条件、结果、目的、原因、让步、地点、方式等)。宾语从句一、定义在句子中起宾语作用的从句叫做宾语从句。二、连接词that: I think that you can pass the exam.Whether/if: I dont know what the word means.“Wh”: I dont know what the word means.I dont know where he found the book.只用whether的情况:1. 与or not连用:I dont know whether its raining or not.2. 与动词不定式连用:He doesnt know whether to accept the invitation.3. 连接词前有介词时:It depends on whether he is coming.三、时态1. 主句是一般现在时态,从句根据实际情况而定(各种时态均可)