2. By dropping the final vowel; as hide, hid; slide, slid; bite, bit.

3. By dropping a vowel from the middle of the word; as bleed, bled; feed, fed; lead, led.

4. By changing the final letter or letters; as send, sent; lose, lost; spend, spent.

5. By changing the vowel and final letters; as bring, brought; seek, sought; catch, caught.

6. By changing the vowel sound and adding t or d; as sleep, slept; feel, felt; flee, fled.

There are some irregular forms which we must learn and be exceedingly careful in their use. Study the list in this lesson.

Exercise 1

Write the present and past time forms of the following verbs as the verb think is written in the table given below.

Present TimePast Time
SingularSingular
1. I think1. I thought
2. You think 2. You thought
3. He thinks3. He thought
PluralPlural
1. We think1. We thought
2. You think 2. You thought
3. They think 3. They thought