PRESENT SIMPLE:
1. John has got a dog.
2. My friends learn English.
3. I like apples.
4. We don't like to do homework.
5. My father doesn't work on Sundays.
PRESENT PROGRESSIVE:
1. I'm doing my homework now.
2. She is watching TV.
3. My grandpa is working in the garden now.
4. Is your dog sleeping now?
5. We are listening to music.
PRESENT PERFECT:
1. I have been abroad a few times.
2. We have learnt a new rule today.
3. They have been at home since the morning.
4. Andrew has grown since I last saw him.
5. My sister has never seen this picture.
3)the..a
артикль 'а' употребляется, когда о чем то говорят впервые. ( например : a dog ). the употребляется , когда имеют ввиду что-то конкретное (the dog is big.(именно эта собака , а не другая) an употребляется , когда существительное начинается на гласную букву. (an elephant)