The French settled in the Gulf of Mexico.

Where did the French settle?

The French did not settle in the Gulf of Mexico (didn’t)

I will miss my mother

Will I miss my mother?

I will not miss my mother. (won’t)

They declared war

Who declared war?

They did not declare war. (didn’t)

You were trying to get my attention.

Who was trying to get my attention? (singulier)

You were not trying to get my attention. (weren't)

(a) They were arrested. (3) The police put the couple into prison.

Ils ont été arrêtés. La police a mis le couple en prison.

(b) She is being heard by him (5) the judge is asking her questions.

Elle est entendue par lui Le juge lui pose des questions.

(c) Cash had been involved. (1) The couple had offered some money.

L’argent liquide (comptant) avait été impliqué. Le couple avait proposé un peu d’argent.

(d) They have been denounced by them. (2) The parents have betrayed the couple.

Ils ont été dénoncés par eux.  Les parents ont trahi le couple.

(e) They will be charged. (4) the judge will prosecute them.

Ils seront accusés.  Le juge les poursuivra en justice.