$\text{1.}$ had ( dấu hiệu : yesterday ) 

$\text{2.}$ finished ( dấu hiệu : a few ago ) 

$\text{3.}$ liked ( dấu hiệu : when she was a girl ) 

$\text{4.}$ broke ( dấu hiệu : three weeks ago ) 

$\text{5.}$ met ( dấu hiệu : in 2005 ) 

$\text{6.}$ went ( dấu hiệu : yesterday evening ) 

$\text{7.}$ watched ( dấu hiệu : last night ) 

$\text{8.}$ didn't go ( dấu hiệu : when she was ill ) 

$\text{9.}$ did - leave 

$\text{10.}$ Did - hate ( dấu hiệu : when you were a child ) 

$\text{11.}$ read ( dấu hiệu : yesterday ) 

$\text{12.}$ made ( dấu hiệu : a few hours ago ) 

$\text{13.}$ played ( dấu hiệu : when we were at the seaside ) 

$\text{14.}$ didn't listen ( dấu hiệu : yesterday ) 

$\text{15.}$ got ( dấu hiệu : last month ) 

$\text{16.}$ Did - visit ( dấu hiệu : last summer ) 

$\text{17.}$ drank ( dấu hiệu : he was very thirsty ) 

$\text{18.}$ didn't enjoy ( dấu hiệu : when she was seven ) 

$\text{19.}$ did - work ( dấu hiệu : in 1985 ) 

$\text{20.}$ saw ( dấu hiệu : yesterday ) 

$\rightarrow$ S + Ved/cột 2 + .... 

$\rightarrow$ S + did not ( didn't ) + V-inf 

$\rightarrow$ Did + S + V-inf + O ? 

$\rightarrow$ Thì Quá Khứ Đơn diễn tả 1 hành động/sự việc đã xảy ra trong quá khứ nhưng đã chấm dứt và ko liên quan đến hiện tại . 

$\text{→ Thì quá khứ đơn sẽ có dạng như sau : }$

$\text{⇒ Công thức thì QKĐ với động từ thường :}$

$\text{( + ) S + V_ed \ 2 + O + time}$

$\text{( - ) S + didn't + V_inf + O + time}$

$\text{( ? ) Did + S + V_inf + O + time ?}$

$\text{⇒ Công thức thì QKĐ với động từ tobe: }$

$\text{( + ) S + was \ were + O + time }$

$\text{( - ) S + was \ were + not + O + time}$

$\text{( ? ) Was \were + S + O + time ? }$

$\text{→ Dấu hiệu nhận biết thì QKĐ sẽ gồm có như sau: }$

$\text{⇒ yesterday }$

$\text{⇒ ago }$

$\text{⇒ last ( week ,.....)}$

$\text{⇒ in + time ( in the past) }$

$\text{⇒ the day before }$

$\text{⇒ today}$

$\text{⇒ this afternoon, this morning }$

$\text{1 had}$ 

$\text{2 finished}$

$\text{3 liked}$ 

$\text{4 broke}$ 

$\text{5 met}$ 

$\text{6 went}$ 

$\text{7 watched}$ 

$\text{8 didn't go}$ 

$\text{9 did you leave}$

$\text{10 Did you hate}$ 

$\text{11 read}$

$\text{12 made}$ 

$\text{13 played}$ 

$\text{14 didn't listen}$ 

$\text{15 got}$ 

$\text{16 did they visit}$

$\text{17 drank}$ 

$\text{18 didn't enjoy}$ 

$\text{19 did you father work}$

$\text{20 saw}$

$\text{Học tốt!!!}$