The Simple Present Tense is used for
things that happen regularly,
like this:
Sheila takes a shower every evening.
or for general facts,
like this:
Birds fly in the sky.
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The Present Continuous Tense is made by a be verb (am,
is, are) + verb+ing. It is used for things that are
happening right now, like
this:
I am taking a shower right now.
or for things that are
happening nowadays, like this:
Many people are losing their jobs nowadays.