I study hard.
She is studying hard.
She will be study hard.
She studied hard.
She has studied hard.
She studies hard 变成第人一称 变成现在进行时 变成一般将来时 变成一般过去时 变成现在完成时
She studies hard 变成第人一称 变成现在进行时 变成一般将来时 变成一般过去时 变成现在完成时
英语人气：186 ℃时间：2020-02-03 13:59:48
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