Present continuous tense is used to describe the actions happening at the time of expression. Whereas, present simple is preferred to describes the general present reality of fact, habit, etc. For continuous present, adverb of time is essential, but for simple, it is not required. So, let’s go in details of differences..
Time of action of present continuous
Continuous present tense describes the action at the time of happening or speaking, though exactly or tentatively.
At the same time, to form the progressive tense, period of time and point of time is omitted but current expression of time is preferred.
Now, just now, nowadays, presently, currently, etc. times expressions are commonly used.
•He is not interested to play as he is helping his father now.
•Unexpectedly, it is raining heavily just now.
•They are shouting for help in the flood.
•She is taking training in the camp ahead of final.
•Really, you are enthusiasticly practicing Yoga.
All the examples are describing the activities happening right at the moment.
Time of action of simple present
Unlike present continuous tense, simple present tense describes general reality of present time in the form of state or condition, fact, habits, etc. Here, there is no need to use time’s expressions.
•She walks regularly. Here, do not need to mention everyday. It is assumed.
•He studies at 5.00 am. It is the schedule of his study.
•They play in the evening. It is theirs regular routine.
Present continuous for future plan and period of time
Though present continuous is strictly confined to use to describe the action exactly at the time of expression, it’s other functions are also vital to study.
•I know about his plan. He is meeting his brother tomorrow.
•Definitely, she is changing her college next year .
•They are planning to visit national park on holiday.
•I am going to join my team soon.
For specific period of time.
Specific period of time means action in question is continue at the time of speaking but not exact moment of time.
•We are still living in that old house.
•He is toiling so hard to loose weight.
•The incidents of heart diseases are growing in the rural areas as well.
•Nowadays, obesity is becoming a big health issue.
•His health is improving rapidly.
•Your investment is growing expectedly.
•Many people are avoiding junk food.
Simple present for
habit and facts
Simple present is also used to describe the habit or permanent facts in the present sense without time’s expressions.
•Students get up early in the morning.
•The office closes at 5 o’clock.
•They begin exercising at 6 o’clock.
•Train arrives at 11 o’clock.
Examples describing general truth. It means permanent phenomenon and there is no chance of change. It is also called universal truth.
•Cyclones origin in the tropical regions.
•Monsoon brings heavy rain.
•Equatorial region receives torrential downpour.
•Planets revolve around the sun
These are some differences and functions of present simple and continuous tense.