1.肯定句:He studied English in 2010. Lily went home at five yesterdayafternoon.
否定句: He didn't study English in 2010.
一般疑问句:Did he study English in 2010?
2. 肯定句: Lily went home at five yesterdayafternoon.
否定句:Lily didn't go home at five yesterdayafternoon.
一般疑问句:Did Lily go home at five yesterdayafternoon?