1. Present perfect
Some uses

2. Some uses:
To talk about a present situation and the events in the past that are connected with the present situation
The teacher is angry because he hasn´t done his homework

3. I have eaten too much food and now I feel ill

4. There is an important difference between have gone and have been
My friend Sarah has been to Cuba on holiday
She went to Cuba and is back home now

5. My friend Sara has gone to Cuba on holidays
She went to Cuba and is still there

6. Present perfect + just/already/yet
We use already in positive sentences. It usually comes between have/has and the part participle. We use yet in negative sentences and questions. It usually comes at the end of the sentence or question.

7. The word just means not long ago
The word just means not long ago. Like already, it is usually placed between have/has and the past participle.

8. Form: