问题描述:
有since的主句中,是用延续性动词,还是用瞬间性动词,还是两种都可以?
例:The boy has started to play football since he was at the age of three.
句中可以用started to play 这种瞬间性的动词吗?
例:The boy has started to play football since he was at the age of three.
句中可以用started to play 这种瞬间性的动词吗?
问题解答:
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