The simple past tense is often used to talk about things that happened in the past. You can change most verbs into the simple past tense by adding -ed 
| Verb | walk | cook | wash | play | jump | 
| Past Verb | walked | cooked | washed | played | jumped | 
A simple past sentence is formed using:
| subject + past verb | 
| Subject | Past Verb | |
| I, You, He, She, It, We, You, They | rowed | the boat across the lake. | 
Here are some examples of sentences in the simple past.

We jumped into the pool.

We splashed all the people around us!

I looked around underwater.

My dog floated on top.

Sasha played some games in the pool.

Then, we passed a ball around.