She has finished her homework
She has finished her homework
為什么要加has而不直接she finished her homework
原句:she has finished her homework and now she is watching TV.
為什么要加has而不直接she finished her homework
原句:she has finished her homework and now she is watching TV.
英語人氣：504 ℃時間：2019-12-01 13:36:26
優(yōu)質(zhì)解答
從兩個原因考慮:1.如果前半句是一般過去時,應(yīng)該有一個過去時的時間狀語,而這句話里卻沒有,所以從既要表示過去完成含義,有要滿足句子基本要求的角度,用現(xiàn)在完成時可以不需要時間狀語.2.第二個原因就是一整句話中最好保持基本時態(tài)一致.所以用現(xiàn)在完成時,與后面的現(xiàn)在進行時保持時態(tài)一致.
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