They dissappointed him. задать все виды вопросов к предложению.

Did they dissapoint him?

They dissappointed him, didn't they?

Who  dissappointed him?

How did they dissapoint him?/Why did they dissapoint him?

 Did they dissapoint  or gladden (радовать)  him?

Did they dissappoint him?

Who dissappointed him?

Why did they dissappoint him?

Did they dissappointed him or her?

They dissappointed him, didn`t they?