Present simple vs Present Continuous

1. Present Continuous

1.1. Use

1.1.1. Acciones que ocurren ahora

1.1.1.1. Today

1.1.1.2. Now

1.1.1.3. Right now

1.1.1.4. At the moment

1.2. Structure

1.2.1. (+) S + to be + v + ing

1.2.1.1. She is writing a book

1.2.2. (-) S + to be + not + v+ ing

1.2.2.1. She is not writing a book

1.2.3. (?) To be + S + v + ing?

1.2.3.1. Is she writing a book?

2. Present simple

2.1. Use

2.1.1. Routines

2.1.1.1. Frequency adverbs (always, sometimes, never, often)

2.1.2. Permanent situations

2.1.3. Habits

2.2. Structure

2.2.1. He, she, it

2.2.1.1. (+) S + verb + s

2.2.1.2. (-) S + doesn't + verb

2.2.1.3. (?) Does + S + verb?

2.2.2. I, you, we, they

2.2.2.1. (+) S + verb

2.2.2.2. (-) S + don't + verb

2.2.2.3. (?) Do + S + verb?