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Unit 2 by Mind Map: Unit 2

1. Question

1.1. Verb + p’p

1.1.1. has / have

1.1.1.1. +

1.1.1.1.1. How many

1.2. how many books have you studied ?

2. present perfect simple

2.1. Use to say how many things have been done or how many times something has been done

2.2. Verb + p’p

2.2.1. has / have

2.3. has / have eaten

2.4. Number

2.5. I have studied 3 books

3. Present perfect progressive

3.1. To say how long something has been happening

3.2. ‏has / have been

3.2.1. ‏Verb + ing

3.3. has / have been eating

3.4. Time

3.5. I have been studying since Sunday / for two days

4. Question

4.1. How long

4.1.1. +

4.1.1.1. has / have been

4.1.1.1.1. Verb + ing

4.2. how long have you been studying?