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Present Perfect Tense

Present Perfect Tense. http://estudiaingles-videos.blogspot.com/2008/03/planning-vacation-planear-vacaciones-en.html. Form of the Present Perfect. We form the Present Perfect with have and the past participle have/has + past participle has: 3rd person singular (he, she, it)

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Present Perfect Tense

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  1. Present Perfect Tense http://estudiaingles-videos.blogspot.com/2008/03/planning-vacation-planear-vacaciones-en.html

  2. Form of the Present Perfect • We form the Present Perfect with have and the past participle • have/has + past participle • has: 3rd person singular (he, she, it) • have: all other forms • past participle: - regular verbs: infinitive + -ed- irregular verbs: 3rd column of the table of the irregular verbs Example sentences: • Affirmative: I’ve done my homework. • Negative: I haven't done my homework. • Question: haveyou done your homework?

  3. Use 1: Actions which started in the past and are still continuing • The present perfect is often used for an action which started at some time in the past, and still continues now. Example: • She has worked at the University since 1994. (She started working at the University in 1994, and she's still working there now.)

  4. Use 2: Actions which happened at some unknown time in the past • Sometimes, it's important to say that something happened (or didn't happen), but it's not important when it happened. Example: • Have you ever been to Germany? (It doesn't matter when you went -- I just want to know whether you have been there or not.)

  5. Use 3: Actions which happened in the past, but have an effect in the present • In this case, the action happened at some time in the past, but the effect of the action is still important now. Example: • Present perfect She's broken her arm. The arm is still injured. • Simple past She broke her arm. The arm is probably OK by now.

  6. The use of “For and Since” • PRESENT PERFECT + for, sinceWhen talking about the length of time (duration), we use the present perfect with for + a period of time. for six years, for a week, for a month, for hours, for two hours. • Example:I have worked here for five years.

  7. When talking about a starting point, we use the present perfect with Since + a point in time: since this morning, since last week, since yesterday,since I was 12, since Friday, since 6 o'clock. • Example:I have lived here since 1998.

  8. Exercises • http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/pperf2.htm • http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/upperf1.htm • http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple

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