Does jill take the key to the front door?
-----Jill是否带了前门的钥匙.这里take有带走的意思
Can I have the key to the front door?
----我能拿前门的钥匙吗?这里have有“拿”的意思
have是万能词,有多种解释,如：吃,开会,喝等