Does Jack come from Japan?是个一般问句.一般问句变为宾语从句时需要用if 或whether 来引导.另外,原来问句中的助动词do/does/did之类要消失,并且实意动词如:此句中的come会因为时态而变.
Do you know__if___Jack __comes___from Japan?
OR
Do you know__whether___Jack __comes___from Japan?
Happy Rabbit Year!
Does Jack come from Japan?是个一般问句.一般问句变为宾语从句时需要用if 或whether 来引导.另外,原来问句中的助动词do/does/did之类要消失,并且实意动词如:此句中的come会因为时态而变.
Do you know__if___Jack __comes___from Japan?
OR
Do you know__whether___Jack __comes___from Japan?
Happy Rabbit Year!