现在进行时,现在完成进行时,一般过去时,现在进行时,一般将来时 分别写出这些时态的结构时间状语两例句

现在进行时：be doing 例句：I am doing my homework now.
现在完成时：have done 例句：i have finished my homework by now.
一般过去时：yerstday lastweek lastyear lastmonth ...I went to my mom's office yesterday
一般将来时：will do sth be gonging to I will take this book to you tomo