1. Principal parts of verbs Irregular Verbs Subject and Verb agreement

2. Principal Parts of Verbs VerbPresent ParticiplePastPast Participle WalkIs walkingWalkedHas walked LiveIs livingLivedHas lived TryIs tryingTriedHas tried SlipIs slippingSlippedHas slipped Leroy is visiting England. He has visited London. I am enjoying this book. I have enjoyed other books by this author too.

3. Irregular Verbs Irregular Verbs do not form the past and past participle by adding d or ed. They just have to be memorized. Charts on pgs. 156 and 158 and on worksheets 36-37

4. Subject-Verb Agreement Singular subjects use singular verbs Ex. Jack robs liquor stores (s on the verb) Plural subjects use plural verbs Ex. Bonnie and Clyde rob banks (no s on the verb) -- I uses am and was. Ex. I am happy today. (present) I was happy yesterday. (past) -- He, she, it, and singular nouns use is and was. Ex. She is the captain. (present) The game was close. (past) -- We, you, they, and plural nouns use are and were. Ex. We are teammates. The boys were helpful.