神马作文网not until 跟until 用法,意思都相同么,可以通用么
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not until 跟until 用法,意思都相同么,可以通用么
A.until表示动作、状态的持续,强调“一直到……为止”,或强调某个动作或状态一直持续到另一个动作或状态出现之前.常与表示延续性动作的动词连用.
如：* I waited until three o’clock,but he didn’t come.* He lived with his parents until he graduated from college.
B.not … until表示“到……为止；直到……才”,常与表示瞬间性动作的动词连用.
如：* The noise of the street didn’t stop until midnight.* The children didn’t come home until it was dark.* I didn’t know the truth until you told me.
如：* I waited until three o’clock,but he didn’t come.* He lived with his parents until he graduated from college.
B.not … until表示“到……为止；直到……才”,常与表示瞬间性动作的动词连用.
如：* The noise of the street didn’t stop until midnight.* The children didn’t come home until it was dark.* I didn’t know the truth until you told me.