He did his homework.
He DIDN'T do homework.
Last night I had onion soup for dinner.
Last night I DIDN'T HAVE onion soup for dinner.
I bought pizza yesterday.
I DIDN'T buy pizza yesterday.
Tom saw a jellyfish on holiday.
Tom DIDN'T SEE a jellyfish on holiday.
He took the book to the library.
He DIDN'T TAKE the book to the library.
We played computer games yesterday.
We DIDN'T PLAY computer games yesterday.
Last night he felt awful after eating 3 burgers.
Last night he DIDN'T FEEL awful after eating 3 burgers.
Ann and Kate wore skirts at school.
Ann and Kate DIDN'T WEAR skirts at school.
My mother read a book at night.
My mother DIDN'T READ a book at night.
Children had breakfast in the morning.
Children DIDN'T HAVE breakfast in the morning.
They made a cake yesterday.
They DIDN'T MAKE a cake yesterday.
They thought about holiday last week.
They DIDN'T THINK about holiday last week.
We came home at 10 p.m.
We DIDN'T come home at 10 p.m.
She swam to the island.
She DIDN'T SWIM to the island.
I went to the dentist yesterday.
I DIDN'T GO to the dentist yesterday.
They were on holiday last month.
They WEREN'T on holiday last month.
I watched TV last night.
I didn't watch TV last night.
Students said "Hello" to the teacher.
Students DIDN'T SAY "Hello" to the teacher.