English
by Jorge Rivas
1. Present perfect.
1.1. used to indicate a link between the present and the past. The time of the action is before now but not specified, and we are often more interested in the result than in the action itself.
1.1.1. They haven't lived here for years.
1.1.2. I have worked hard this week.
1.1.3. They have seen that film six times.
1.1.4. Have you just finished work?
1.1.5. Someone has eaten my soup!
2. Is used in English to compare differences between the two objects it modifies.
2.1. 1- Juan runs faster than Mark.
2.2. 2- I am taller than Beth.
2.3. 3- New York is bigger than Los Angeles.
2.4. 4- Angela’s room is cleaner than Sue’s.
3. Use of comparative and superlative adjectives.
3.1. Comparative:
3.2. Superlative:
3.2.1. Is used to describe an object that is at the upper or lower end of a quality.
3.2.1.1. 1- Juan is the fastest.
3.2.1.2. 2- Angela’s room is the cleanest.
3.2.1.3. 3- I am the tallest.
3.2.1.4. 4- New York is the biggest city in the United States.