What are you doing now? What did you do last week?
action is in progress action is past
(be) + ______ing (verb)ed (or irregular verb)
Example: Right now I am typing on the computer. At 1 pm, I left work.
Now my son is studying. At 3 pm, he arrived home.
Now my daughter is resting. At 3:30, she drank some water.
We also wrote Accident Report forms.