pRInCIPAL pARTS of VerbS....

Every verb has four basic parts, which are called its principal parts. You must know all of these in order to form the different tenses correctly.

☻Present (aka Infinitive)

☻Past

☻Present Participle

☻Past Participle

• Present (aka infinitive)

existing or happening now

            know                                        to know

            take                                          to take

            write                                         to write

• Past

existed or happened in the past

            knew

            took

            wrote

•  PRESENT PARTICIPLE 

The present participle of a verb always ends in –ing.

            knowing

            taking

            writing

PAST PARTICIPLE 

The present participle of a verb always ends in –ing.

            knowing

            taking

            writing