Simple past - 1

Simple past is also called past simple.
The simple past is used in the following situations:

- The simple past expresses an action in the past taking place once, never, several times.
- It can also be used for actions taking place one after another
  or in the middle of another action.

For regular verbs, in the simple past you just add “ed” behind the verb.
For irregular verbs, use the past form.
See these examples:

• choose - chose
• go - went
• see - saw
• have - had
• do - did
• be - was

See a list of irregular verbs in this link (the second column): irregular verbs