38. saw -> có"yesterday" => Thì QKĐ
39. have known -> có "for + 1 khoảng t/g" => Thì HTHT
40. knew -> có "last year" => Thì QKĐ
41. don't have -> có "every day" => Thì HTĐ
42. Have you ever eaten -> có "ever" => Thì HTHT
43. have already gone -> có "already" => Thì HTHT
44. hasn't eaten -> có "yet" => Thì HTHT
45. Have you ever been -> có "ever" => Thì HTHT
#Chii
#Team: Extensive Knowledge