Turn the following sentences into reported speech

Turn the following sentences into reported speech
5-They said to him "How long were you staying in this pub?"
1-They told her " When were you turning back?"
2-He said to us "Why were you cooking here?" 3-She told them "When were you driving this car?"
4-She said to us "What can you eat now?"
5-They said to him "How long will you stay in this pub?"