 The four principal parts of a verb are as follows:  Infinitive (base form)  Present Participle  Past  Past Participle

 Infinitive: to work  Present participle: (is) working  Past: worked  Past participle: (have) worked  Helping verbs are used with the present participle and past participle to form some tenses.

 A regular verb forms its past and past participle by adding –d or –ed to the infinitive.  Use/(is) using/used/(have used)  Drown/(is) drowning/drowned/(have)drowned  Irregular verbs form past and past participle in some other way than by adding –d or –ed.  Ring/ring/rang/(have) rung  Burst/burst/burst/(have) burst

 Complete Exercise 1, page 234  Complete Exercise 2, page 239

 Take the diagnostic preview A on page 200.  Number your paper from  Write the correct form of the verb next to the number.  If it is correct as it is, write the letter C.  Repeat these steps for the diagnostic preview B on page 201.  Trade & grade when done.

 A verb should agree in number with its subject.  Singular subjects take singular verbs ▪ Examples p 202  Plural subjects take plural verbs ▪ Examples p 203  In-class practice: Exercise 2, p 203.  Homework: study the subject-verb agreement handout

 The number of a subject is not changed by a phrase or clause following the subject.  See examples, pp 158, 159  Note: If the subject is the indefinite pronoun (all, any, more, most, none, or some), its number may be determined by the object of the prepositional phrase that follows it.  All of the vegetables were peeled. (plural object)  All of the salad was eaten. (singular object)

 The following pronouns are singular:  Anybody, anyone, anything, each, either, everybody, everyone, everything, neither, nobody, nothing, no one, one, somebody, someone, and something.  The following pronouns are plural:  Both, few, many, and several

 The following may be singular or plural, depending on their meaning in a sentence  All, any, more, most, none, and some  Practice, exercise 5, p 207.

 A pronoun usually refers to a noun or another pronoun in a sentence. This word is called the antecedent.  Example: Brian lost his book.  Brian is the antecedent of his.  A pronoun should agree in both number and gender with its antecedent.