0071594973.pdf

Four Principal Parts of a Verb

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

have

have

has

have

have

have

walked

Subject

Pronoun

Main

Verb

Helping

Verb

Regular Verbs Irregular Verbs

I

you

he, she, it

(or Singular Noun)

walk

walks

Subject Pronoun Main Verb

we

you

they

(or Plural Noun)

walk

3

2

1

3

2

1

I

you

he, she, it

(or Singular Noun)

write

writes

Subject Pronoun Main Verb

we

you

they

(or Plural Noun)

write

3

2

1

3

2

1

Note: The verb form used with third-person singular subjects shows a spelling
change to the base form when it expresses an action in the present tense.

Subject
Pronoun

Main

Verb

Helping

Verb

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

walked

Subject Pronoun Main Verb

un)

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

am

are

is

are

are

are

walking

3

2

1

3

2

1

3

2

1

3

2

1

3

2

1

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

have

have

has

have

have

have

written

Subject

Pronoun

Main

Verb

Helping

Verb

3

2

1

3

2

1

Subject

Pronoun

Main

Verb

Helping

Verb

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

am

are

is

are

are

are

writing

3

2

1

3

2

1

3

2

1

I

you

he, she, it

(or Singular Noun)

we

you

they

(or Plural Noun)

wrote

Subject Pronoun Main Verb

un)

3

2

1

3

2

1

1 Base Form

2 Past Form

3 Present Participle

4 Past Participle