A verb in present tense tell us that an action happens now.
Example:
She plays hockey.
The simple present tense is also used for everyday habits and facts.
Example:
The sun rises in the east.
We use present continuous tense to tell that some work is happening right now.
Example:
She is playing hockey.
The verb in the past tense tell us that the action has already happened.
Example:
She played hockey.
We use past continuous tense to tell that some work was happening in the past.
Example:
She was playing hockey.
A verb in simple future tense tell us that the action will happen in the future, that is later.
Example:
She will play hockey.