1)He included her on the guest list yesterday.
She did not include her on the guest list yesterday.
Did he include her on the guest list yesterday? Who did he include in the guest list yesterday? Who included it in the guest list yesterday?
2)She wants to buy cardboard.
She does not want to buy cardboard.
Would she like to buy cardboard?
What does she want to buy?
Who wants to buy cardboard?
3) They destroy our hopes.
They did not destroy our hopes.
Why do they destroy our hopes?
Who breaks our hopes?
4)We already were on this coast.
We have not been to this coast yet.
Were we on this coast?
Where we were?
Who was on this coast?