SURVIVAL SKILLS FOR YOU: Talking about PRESENT PERFECT TENSE

1. Adverbs

1.1. Ever, yet,

1.1.1. Used for questions and negative sentences

1.2. Already

1.2.1. Affirmative sentences and questions(when the answer is yes)

1.3. Recently, lately, just

1.3.1. positive statements, negative statements, or questions:

1.4. Never

1.4.1. Negative sentences (without negative form)

2. For

2.1. Use "for" with times of any length

2.1.1. (five seconds, eight hours, two days, six weeks, nine months, ten years, a decade, centuries, etc.)

3. Since

3.1. Since is used with a point in time

4. PRESENT PERFECT TENSE

4.1. AFFIRMATIVE SENTENCES

4.1.1. HAVE/HAS + PAST PARTICIPLE OF VERBS

4.2. NEGATIVE SENTENCES

4.2.1. HAVEN´T/ HASN´T + PP of VERBS

4.3. QUESTIONS

4.3.1. HAVE YOU EVER RIDDEN A CAMEL?

5. The past participle form of verbs

5.1. The past participle form of the verb describes a completed action or state.

5.2. Regular verbs

5.2.1. Played, lived, liked.

5.3. Irregular verbs

5.3.1. Drunk, seen, heard.

6. When do we use the Present Perfect Tense?

6.1. Unspecified point in the past. Ex: I have been to Spain three times

6.2. An action that occurred in the past, but has a result in the present (now) We can't find our luggage. Have you seen it?

6.3. Events that began in the past and haven't changed (for, since)

6.3.1. Mike has worked at Woodward for 3 years. (Mike started working at Woodward 3 years ago and he still works there now.)

6.4. Events that recently occurred (just) Do you want to go to a restaurant with me? No, thanks. I've just eaten lunch. (I recently ate lunch.)