If you use Past Tense, you must write the verb in past in affirmative sentences and using DID when you write the interrogative and negative sentences.
Examples:
a) You ate an apple yesterday.
b) They did not eat pizza yesterday.
c) Did the teacher go to the beach last summer?
If you use Present Perfct Tense, you must write the verb in past participle in affirmative sentences and using HAVE/HAS when you write interrogative and negative sentences.
Examples:
a) I have just sung karaoke.
b) The girl has not made her bed yet.
c) Have you ever been in Africa?
Now, you complete the following sentences in those pages:
