Identifying verb tense
By the time we arrived, they had left."
had left- past perfect
She had been studying for hours before the exam
change present perfect progressive
Present Perfect Progressive: She has been studying for hours before the exam.
They drove to the beach last weekend.
Irregular
Ben is pay for his lunch.
Ben is paying for his lunch.
She has finished her homework."
has finished- present perfect
He was running when it started to rain.
change future progressive
He will be running at this time tomorrow.
She cleaned the house yesterday.
regular
Jane ask for his directions.
Jane asked for his directions.
They will be traveling to Europe next month.
will be travelling- future progressive
By the time the show started, we had found our seats.
change to present perfect
By now, we have found our seats.
He was studying when the phone rang.
regular
Jack paint a portrait of his mother.
Jane painted a portrait of his mother.
She had been studying for hours before the exam.
had been studying- past perfect progressive
She was painting the fence when it began to rain.
change future progressive
She will be painting the fence tomorrow afternoon."
We were eating dinner when the power went out.
Irregular
I am watch the bird.
I am watching the bird.
He has been working on this project all week.
has been working- presnt perfect progressive
They played soccer last weekend.
change present tense
They play soccer every weekend.
She went to the store yesterday
regular
Many firefighters have risk their life to save people.
Many firefighters have risked their life to save people.