be
He is my friend.
He was my friend.
I fix my bike.
I fixed my bike.
She rode her bike in the park.
I had a sandwich for breakfast.
He took my pen.
It is sunny and hot.
It was sunny and hot.
They mopped the floor.
They bring me a lot of gifts.
They brought me a lot of gifts.
We didn't do our homework in the kitchen.
We didn't drink milk or juice.
We drank milk and juice.
They are at the park.
They were at the park.
My mom fried some eggs.
He sends me a birthday card.
He sent me a birthday card.
The bird didn't fly over my head.
They made a cake and sang the birthday song.
I am a teacher.
I was a teacher.
She walks the dog.
She walked the dog.
She teaches us English.
She taught us English.
They swept the floor this morning.
They didn't sweep the floor this morning.
I didn't do the laundry or mop the floor.
I did the laundry and mopped the floor.
There were a lot of ants.
He visits his grandparents.
He visited his grandparents.
The police catch the bad guy.
The police caught the bad guy.
He came to me and said hello.
He didn't come to me and say hello.