Here's the breakdown:
1. Subject-Verb Agreement
* Singular subjects take the -s/-es form in the present tense.
* He walks to school.
* She sings beautifully.
* The dog barks at the mailman.
* Plural subjects take the base form of the verb.
* They walk to school.
* The girls sing beautifully.
* The dogs bark at the mailman.
2. Third Person Pronouns
The third person pronouns are he, she, it, and they.
* He/She/It take the -s/-es form in the present tense.
* They take the base form of the verb.
3. Irregular Verbs
Some verbs have irregular third person forms. For example:
* Be becomes is for singular third person (He is happy).
* Do becomes does for singular third person (She does her homework).
* Have becomes has for singular third person (The cat has nine lives).
Example Sentences
* He plays basketball every day. (Singular subject, present tense)
* She eats her breakfast quickly. (Singular subject, present tense)
* The children run to the playground. (Plural subject, present tense)
* It rains often in the spring. (Singular subject, present tense)
* They dance in the moonlight. (Plural subject, present tense)
Key Takeaway
The third person verb form is determined by the subject of the verb. It's important to use the correct form based on whether the subject is singular or plural.