We had a lot of fun at the party.

• Simple past tense for a completed action.

My sister and I had a lot of fun at her birthday party yesterday.

• Use "had" for simple past tense to describe something that happened in the past.

Susan was tired after the long trip.

• "Was tired" indicates a past state.

Joe broke his arm while playing football last week.

• "Broke" is the past tense of "break."

I watched a very scary horror film last night.

• "Watched" is the past tense of "watch" for completed actions.

Where did you leave your keys?

• Use "did" with the base form for questions in the past tense.

Jenny didn't go to school when she was sick.

• Use "didn't go" for negative past actions and "was" for states.

Nick read an interesting book yesterday.

• "Read" in the past tense (pronounced 'red') for a completed action.

My mom made a big chocolate cake a few hours ago.

• "Made" is the past tense of "make."

He didn't listen to music after school yesterday.

• "Didn't listen" is the correct form for a negative past action.

Sarah didn't enjoy her drawing lessons when she was seven.

• "Didn't enjoy" shows a negative past experience.

Where did your parents visit their grandparents last summer?

• "Did visit" is used in questions for past actions.

Did they get lots of good marks last month?

• "Did get" for questions about past actions.

Where did you put the lid after using the pepper?

• This could be adjusted if the sentence continues, but generally, "did" + base form "put" is used for past tense questions.