CAN: be able to + verb She will be able to do it tomorrow. They were not able to come. Will you be able to bring it next week? MUST: have to + verb We will not have to go there. I had to buy new curtains. Did you have to go there? MAY: be allowed to + verb We are allowed to stay out until 8 p.m. Will we be allowed to go to the cinema? They were not allowed to buy anything. Note: These expressions can be also used in the present tense. I am able to win the tournament. Is he allowed to buy a dog? You have to send the letter today.
An adjective usually describes a noun or pronoun and it is used either before a noun or after a lining verb. Examples: Big, small, beautiful, interesting etc. Qualitative adjectives provide information about the qualities of something or someone. So: These adjectives identify a quality that a person, an animal or a thing has; large, small, beautiful etc. For examples: Tall boy, big dog, long letter etc. qualitative : good, bad, happy, blue, French Because qualitative adjectives describe qualities, you can have more or less of the qualities they refer to. He’s an intelligent man. I saw a large red car outside their house. There was a long hairy caterpillar on the leaf. classifying adjectives . These adjectives place a noun in a particular class that it belongs to. These adjectives are words like ancient, modern, golden, silver etc. classifying adjective - an adjective that classifies its noun (e.g., `a nervous disease' or `a musical instrument'