USE
 
We use Present Simple for
We use Present Continuous for 
1. regular activities: routines / repeated actions / habits  things which are happening now or around now
2. permanent actions / facts / laws of nature temporary situations
3. reviews / sports commentaries / narrations changing situations
4. timetables / programmes (future meaning) fixed arrangements (in the near future)
  
TIME EXPRESSIONS (or KEY WORDS)                
Present Simple
Present Continuous
every day
every other day
in the mornings
on Mondays
at night
at seven o'clock
at weekends
in (the) winter
once a day
all the time
from time to time
 
always
usually
regularly
often
sometimes
rarely
seldom
hardly ever
never
etc.
(right) now
at the moment
at present
these days
today/ tonight
this morning
Look!
Listen!
etc.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Revise the USE and TIME EXPRESSIONS of Present Simple.
Revise the USE and TIME EXPRESSIONS of Present Continuous.
 
FORM  
Present Simple Present Continuous
V / Vs am / is / are + Ving
  
Revise the FORM of Present Continuous.
 
You may also need to revise the verb "be" and the verb "have". 
  
***
V — Verb (the infinitive of the verb without "to"/ Present Simple verb (for I, we, you, they). E.g. write, go, listen, etc.
Vs — Present Simple verb (for he, she, it). E.g. writes, goes, listens, etc. Revise how to add "s" to a verb here.
Ving — Verb ending in "-ing" (Present Participle). E.g. writing, going, listening, etc. Revise how to add "ing" to a verb here.