Present perfect

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Present perfect by Mind Map: Present perfect

1. Expresses

1.1. It is used to express situations that started in tha past and continued up to the present

2. Time Expressions

2.1. Ever

2.2. For

2.3. Since

2.4. Yet

2.5. Already

2.6. Still

2.7. Never

2.7.1. Nuevo Tema

3. Auxiliars

3.1. Has

3.1.1. With

3.1.1.1. She

3.1.1.2. He

3.1.1.3. It

3.2. Have

3.2.1. With

3.2.1.1. We

3.2.1.2. You

3.2.1.3. They

3.2.1.4. I

4. Structure

4.1. Answer

4.1.1. No, I have not.

4.1.1.1. Yes, I have

4.2. Interrogative

4.3. Negative

4.3.1. I have not learnt to speak english yet

4.4. Affirmative

4.4.1. I have learnt to speak english

5. Contractions

5.1. Hasn't

5.2. Haven't

6. Verb

6.1. Past participle

6.1.1. Are

6.1.1.1. Regular

6.1.1.1.1. Ed

6.1.1.2. Irregular

6.1.1.2.1. Change

7. Uses

7.1. Experiences

7.1.1. I have tried china food twice.

7.2. Changes over a period of time

7.2.1. She has become more mature

7.3. Archievements

7.3.1. They have won a prize.

7.4. Accomplishments

7.4.1. We have finished the Bachelor degree.

7.5. Uncompleted actions

7.5.1. You haven't done your homework yet.

7.6. Repeated events

7.6.1. He has answered that test several times.

8. Have you learnt to speak english?