PRESENT SIMPLE
USE:
- Permanent situations - Example: She lives in London.
- Opinions - Example: I believe that he is right.
- Daily routines, habits - Example: He eats breakfast at 7 AM every day.
- Universal truths and facts - Example: The Earth revolves around the Sun.
- Timetables in the near future - Example: The train leaves at 3 PM.
VS
PRESENT CONTINUOUS
USE:
- Actions in progress - Example: I am writing an email.
- Actions happening now and denoting progression and change - Example: She is studying for her exams.
- Action happening now and denoting progression and change - Example - My sister is laying the table this week
- Action happening repeatedly - Example - They're always arguing!
- Actions in progress - Example: I'm making my bed now.
SIGNAL WORDS
Present simple:
How often?
- Adverbs of frequency: always, usually, often, sometimes, rarely, never.
- Time expressions: regularly, constantly, consistently, daily, weekly, monthly, yearly, on occasion, etc.
When?
every day, in the evening, in summer, on Mondays, etc.
Present continuous:
Time expressions: (right) now, at the moment, currently, today, this week, etc.