What part of speech is “started”

the verb 'started' is a past form of the verb 'start'. It serves as an action word which communicates the beginning of an action.

The verb 'started' can be used in the present, past, or future tense and is generally followed by a verb to express what action began.

1. I started the washing machine before I left for work.

2. He had already started the project when I arrived.

3. We will have started painting at eight o'clock.

when using the verb in the future tense, the word 'will' precedes it.