They've never....
They've never seen something that scary before.
The van.... for several blocks.
The van has been chasing the Black Panther for several blocks.
What have they been doing?
They've been warming up with their weapons.
What has she been doing all afternoon?
...
He's always...
He's always wanted to try a chocolate chip cookie.
A spider (lay) a trap.
A spider has laid a trap.
Someone (make) him very angry.
Someone has made him very angry.
He (iron) all morning.
He has been ironing all morning.
He... all day.
He has been running all day.
What has he been doing?
...
He ... for the last 30 minutes.
He's been writing a letter for the last 30 minutes.
They just (met).
The've just met.
He never (fight) a shark before.
He has never fought a shark before.
Batman (see) this much money before.
Batman has seen this much money before.
What has just happened?
...
She (twirl) her lasso for 3 minutes.
She has been twirling her lasso for 3 minutes.
They ... before.
They have fought battles before.
What has just happened?
They've just seen a bomb!
He (have) a rough day.
He's had a rough day.
What has just happened?
...
Superman ... never ....
Superman has never beaten the Flash.
She (captured) many times before.
She has been captured many times before.
What has just happened?
...
She just (see)...
She has just seen something scary.
What has just happened?
...
He (try) to call MJ ALL DAY!
He has been trying to call MJ ALL DAY!
How has he been feeling?
He's been feeling ...