1. as + ajd + as
A dog is as frendly as a cat.

2. adj + -er + than
Elephants are heavier than giraffes.

3. more + adj + than
A pet tarantula is more unusual than a pet hamster.

Simple Present Tense (4 main uses)

1. To discuss habitual action (what we do regularly by habit)

e.g. I usually pick up the kids from school at 3 pm.

2. To make a statement of fact or a more permanent truth.

e.g. Single-mother families are a very common phenomenon in America.

3. To express a thought or feeling.

e.g. I understand children better because of my experience as a babysitter.

4. When talking about the near future, time words such as /after/, /as soon as/, and /when/ can be used.

e.g. After my uncle arrives at the party, we will open the door.
 
Present Progressive Tense (4 main uses)

1. To describe an action happening around now (before, during, or after the moment of speaking)

e.g. The babysitter is cooking dinner at the moment. 

2. To talk about the future when you have plans or arrangements.

e.g. She is seeing her grandmother at 3 o'clock.

3. To describe a situation that is changing over time.

e.g. People are getting married later and later these days.
 

Describle Quantities:

1. /Some/ and /any/ are used to refer to an indefinite number or quantity, or when the quantity is unimportant. /Some/ is generally used in affirmative statements, or in questions where the expected answer is 'yes'. /Any/ is used in all other cases, and is common in negative sentences.

2. We use /some/ and /any/ with both countable nouns in the plural and uncountable nouns:

3. /A few/ is generally used with plural, countable nouns:

4. /A little/ is generally used with singular, uncountable nouns: