Tom was at the beach
Tom did his homework yeseterday
Tom was born in 1983
They stayed in beijing for two weeks
Tom was at the beach
Tom did his homework yeseterday
Tom was born in 1983
They stayed in beijing for two weeks
was Tom at the beach ?
did Tom do his homework yeseterday?
was Tom born in 1983?
did they stay in beijing for two weeks?
Tom wasn't at the beach
Was Tom at the beach ?
Tom didn't do his homework yeseterday
Did Tom do his homework yeseterday ?
Tom wasn't born in 1983
Was Tom born in 1983?
They didn't stay in beijing for two weeks
Did they stay in beijing for two weeks ?
WasTom at the beach ?
Did Tom do his homework yeseterday?
WasTom born in 1983?
DId they stay in beijing for two weeks?
1. Tom wasn't at the beach.
Was Tomat the beach ?
2. Tom didn't did his homework yeseterday.
DidTom do his homework yeseterday?
3. Tom wasn't born in 1983.
WasTom born in 1983?
4. They didn't stay in beijing for two weeks.
Did they stay in beijing for two weeks?