$\\$`1.` decided
$\\$`2.` was
$\\$`3.` didn't enjoy
$\\$`4.` watched
$\\$`5.` fell
$\\$`6.` took
$\\$`7.` leaved

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 


$\\$`1.` Công thức
$\\$`(+)` S `+` V `-` ed / V2.
$\\$`⇒` V2 `=` ĐTBQT Cột II (took, had, draw, made, ...)
$\\$`(-)`  S `+` didn't `+` V.
$\\$`(?)`  (Wh-) `+` did `+` S `+` V `+` O?

$\\$`-` I / He / She / It `+` was.
$\\$`-` We / You / They `+` were.
$\\$`2.` Dấu hiệu nhận biết
$\\$`⇒` Yesterday, last month, in 1982, in the last century, in the past.

1 decided
2 was
3 didn't enjoy
4 watched
5 fell
6 took
7 leaved
thì quá khứ động từ chia thành: Verb thường+ed 
1 số từ đặc biệt như buy=> bought, fall=> fell , think=> thought, take=> took
tobe chia ở thì quá khứ là: was were