 When you use a singular subject, use the singular form of the verb that goes with it. To make the verb singular, you will usually add an “s” to the end of it.  For example: Elizabeth plays the game well.

 When you use two or more subjects, use the plural form of the verb that goes with them. To do that, you will usually omit an “s” from the end of the verb.  For example: The girls play the game well. Elizabeth and Amy play the game well. **Note: The word “ you ” is an exception to this rule. Even though “ you ” is singular, use a plural verb with it. For example: You play the game well, too.

 Some verbs, such as “am,” “has,” and “was,” change form when they are plural.  For example: I am a good student. They are good students. He has good grades. They have good grades. She was the top student. They were the top students.

 If you are writing about an event that is happening now, use the present tense of the verb.  For example: My little sister plays with her dolls.  If you are writing about an event that has already happened, use the past tense of the verb. To make most verbs past tense, add “ed” to the end of the verb.  For example: My little sister played with her dolls yesterday.  When using some verbs in the past tense, double the last letter before adding “ed.”  For example: Now they stop by only once a week, but last month they stopped by everyday.

 Note that some verbs are irregular and change form completely to make the past tense.  For example: Today I can take just a hat, but yesterday I took an umbrella. I think I need only a hat today, but yesterday I thought I needed an umbrella.

 To compare two people, places, or things, add the letters “er” to the end of the adjective if the adjective has one or two syllables.  For example: Jack can jump higher than Jill.  When you compare two people, places, or things, use the word “more” with the adjective if the adjective has three or more syllables.  For example: Jill is more interested in sports than Jack.

 When you compare three or more people, places, or things, add the letters “est” to the end of the adjective if the adjective has one or two syllables.  For example: That’s the smallest size they have!  When you compare three or more people, places, or things, use the word “most” with the adjective if the adjective has three or more syllables.  For example: That coat is the most expensive coat in the store.