She plays soccer every weekend.
Present simple
Right now, she ___ (cook) dinner.
is cooking
Change to present continuous: She plays the piano.
She is playing the piano.
He play soccer every weekend.
Incorrect: He plays soccer every weekend.
She eats breakfast at 7 a.m.
Because it’s a regular habit or routine.
They were watching a movie when I called.
Past continuous
Every Monday, he ___ (go) to the gym.
goes
Change to past simple: They are walking to school.
They walked to school.
She is usually studying at night.
Incorrect: She usually studies at night.
They are playing soccer right now.
Because the action is happening at this moment.
I am reading a great book right now.
Present continuous
At 8 PM last night, we ___ (watch) TV.
were watching
Change to past continuous: He eats dinner.
He was eating dinner.
They are going to school every day.
Incorrect: They go to school every day.
He was studying when the phone rang.
Because it describes an action in progress that was interrupted.
He studied French last year.
Past simple
Tomorrow at noon, I ___ (have) lunch with her.
will be having
Change to future continuous: I study at 6 PM.
I will be studying at 6 PM.
I was working when the lights went out.
Correct!
I will be working at 10 a.m. tomorrow.
Because it describes an action that will be happening at a specific future time.
We will be traveling tomorrow at this time.
Future continuous
While he ___ (drive), his phone rang.
was driving
Change to present simple: We are watching TV.
We watch TV.
Tomorrow at 5 PM, I drive to the airport.
Incorrect: I will be driving to the airport.
We walked to school yesterday.
Because it describes a completed action in the past.