一般现在
一般过去
一般将来
现在完成
过去进行
现在进行
一般现在
一般过去
一般将来
现在完成
过去进行
现在进行
I often go to the park.
I went to the park yesterday.
I will go to the park tomorrow.
I have past the exam.
I was palying fgames when my mother came back.
I am answersing your question right now.