If you finish doing homework in time, we will go to the cinema. Match will be canceled, if it rains. You will be late, if you don't hurry up. I'll buy a car, if I get a higher salary. It you are late, call me please. If I see her, I will greet her for you.
My best friend stydies at school. Her name is Masha. She was ill last week and skipped some lessons of English. Masha asked me to help her with it. She had a lot of questions about English and she wanted me to carry this work thriough. And I did. Masha has gotten a good mark.
1. present perfekt это время, в котором делатся упор на связь действия прошедшего с настоящим и делается упор на СОВЕРШЕНИЕ самого действие, не вдаваясь при этом в подробности. (I have eaten a bar of chocolate)