6. Write down 3 forms of the irregular verbs:

1) to see

2) to let

3) to make

4) to read

5) to know

6) to speak

7) to send

8) to leave

9) to buy

10) to sell

1 to see saw seen

2 to let let let

3 to make made made

4 to read read read

5 to know knew known

6 to speak spoke spoken

7 to send sent sent

8 to leave left left

9 to buy bought bought

10 to sell sold sold