Simple present

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Simple Present Tense

Use the simple present tense for facts or things that are true in general.

The Saudi Riyal (RS) is the official currency of the Kingdom of Saudi Arabia.

The digital generation includes today’s teenagers.

My parents don't read newspapers online.

Does Qatar belong to the United Arab Emirates?

Simple Present versus Present Progressive

Use the simple present to talk about habits or routines.

Use the present progressive for actions occurring now or for a temporary situation.

The temperatures change with the seasons of the year. (habit or routine)

The temperatures in the poles are changing drastically. (happening now)

PERMANENT    TEMPORARY

John lives in Quebec, but he is studying in France this year.

Note: 

Some verbs are not often used in the progressive form:

believe, forget, hear, know, like, love, need, prefer, remember, see, understand, want

Simple Past versus Present Perfect

Use the simple past to talk about events that began and ended in the past.

The Russians launched the first artificial satellite in 1957.

Use the present perfect to talk about an indefinite time in the past.

Many countries have launched satellites into space.

Also use the present perfect to talk about events that began in the past and continue

into the present

The United States has launched many astronauts into space since 1969.

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