Đáp án:1. His father died in 2016.
(+) His father died in 2016.
(-) His father didn't die in 2016.
(?) Did his father die in 2016?
2. Sara turned on the TV last night.
(+) Sara turned on the TV last night.
(-) Sara didn't turn on the TV last night.
(?) Did Sara turn on the TV last night?
3. Luna went to the zoo with her family last Saturday.
(+) Luna went to the zoo with her family last Saturday.
(-) Luna didn't go to the zoo with her family last Saturday.
(?) Did Luna go to the zoo with her family last Saturday?
4. Kim moved into her house in 1976.
(+) Kim moved into her house in 1976.
(-) Kim didn't move into her house in 1976.
(?) Did Kim move into her house in 1976?
5. My father was born in 1968.
(+) My father was born in 1968.
(-) My father wasn't born in 1968.
(?) Was my father born in 1968.
giải thích: thì quá khứ đơn
V thường: (+)S + V-ed
(-)S + did + not + V
(?)(Wh) did + S + V?
V(tobe):(+)S + Was/Were + O
(-)S + was/were + not +O
(?)Was/Were + S + O ?(Wh-) + was/were + S + O
