Transcription of 4542 ch01 pp001-040 - Cengage
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4542 ch01 pp001-040 - Cengage
Lesson9 GrammarThe Present PerfectThe Present Perfect Continuous1 ContextThe Internet1 The present perfect continuous is sometimes called the present perfect 27911/16/09 10:59:24 AM280 Lesson 9 1. Do you use the Internet a lot? Why?2. What search engine do you usually use?Before You ReadGoogleWe form the present perfect with have or has + the past The Present Perfect Tense An OverviewSubjecthavePast ParticipleComplementExplanationIhavebeen in the for three have with I, you, we, they, and plural computer a job r sum .Theyhaveboughta new ParticipleComplementExplanationMy sisterhasgottenher has with he, she, it, and singular job as a computerhaschangeda lot over the problem with my there, we use has or have, depending on the noun that follows.
The noun “Google” has become a verb. EXERCISE EXAMPLE The past participle of regular verbs ends in -ed. The past participle is the same as the past form for regular verbs. 9.2 The Past Participle FORMS EXAMPLES Base Past Past Form Form Participle I orkw every day. I worked yesterday. I have worked all week. work worked worked improve ...
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