Purple Level

Lesson Nine


know / knew / known / knowing

The verb "know" is used when a person has knowledge or possesses a skill.

1. She knows how to swim. What are some things that you know how to do?

2. When she knew she was going to have a baby, she told her husband. No one else knows.


3. They have known each other since they were children.

4. He doesn’t know the answers on the test. If he knew the answers, he wouldn’t be so stressed out.
stressed out

5. He’s known to be a very good violinist.

(This sentence is in the passive voice.)


6. This place is known for its pizza.

(This means that the restaurant has a reputation for good pizza.)


7. Well, what do you know?

what do you know = whadya know

(This is an expression. It’s used to express surprise, wonder, or vindication.)

present tense: know / knows
past tense: knew
future: will know
present continuous: am / are / is knowing
past continuous: was / were knowing
future continuous: will be knowing
present perfect: has / have known
past perfect: had known
future perfect: will have known
present perfect continuous: has / have been knowing
past perfect continuous: had been knowing
future perfect continuous: will have been knowing
modal verbs: ______ know
past tense modal: ______ have known
infinitive: to know
gerund: knowing
passive: yes


Next: Lesson Ten

the verb "make"