She works from home on Mondays, so she answers email in the morning. A routine, so the simple present takes -s after she.
Right now I am writing the report, so I will call you back. The present continuous marks a temporary, ongoing action.
In the novel, the hero leaves his village and travels to the coast.
In 1947, India gains independence and the borders are redrawn.
Water boils at 100 degrees Celsius. A general truth stays in the simple present.
Writers use the narrative present for stories and plot summaries, making past events feel immediate.
My sister lives in Porto and teaches chemistry at a secondary school. Two third-person singular subjects, so both verbs take the -s form in the simple present.
We usually walk to the station, but today the bus is on strike. The simple present shows the habit, while is keeps the current state in the present too.
He is staying with friends this week while his flat is being repainted. The present continuous fits a temporary situation with a clear end point.
Your phone is charging on the kitchen counter. An action in progress, happening right now, takes the present continuous.
Prices are rising again, and everyone is talking about the difference. Changing circumstances often use the continuous form for something still in progress.
The train leaves at 8:15 tomorrow. This is a real exception to the usual rules: on timetables and schedules, the simple present can refer to a future time. The departure is fixed and printed in advance, so the present form sounds natural for it, even though it describes tomorrow.
I know the answer, but I do not remember where I wrote it down. Verbs of thinking and mental states normally stay in the simple present, not I am knowing.
She prefers tea, not coffee. Feeling and preference verbs like like, want, and prefer take the simple present, so She is preferring would be wrong.
This chapter contains the survey results. State verbs such as contain, belong, and own describe permanent states, so avoid is containing.
I hear music from the flat above. Sense verbs like see, hear, and smell usually take the simple present for what you perceive right now.
We own a small plot outside town. Another permanent-state verb that stays simple, even though the situation continues now.
The list is not exhaustive and a few verbs have continuous exceptions, so when in doubt, the simple present is the safer choice for states.