1.
Human hair ______ grey as we get older. (become)
Human hair becomes grey as we get older.
Tom and Alice _________ shopping. They should be back shortly. (do)
Tom and Alice are doing shopping. They should be back shortly.
In the nineteenth century, many workers _____ to work on foot. (travel)
In the nineteenth century, many workers travelled to work on foot.
What time ________ (you) yesterday?
(get up)
What time did you get up yesterday?
Last Sunday at 5 pm she _______ (wait) for a train.
Last Sunday at 5 pm she was waiting for a train.
I doubt whether he _____ (manage) to beat the world record.
I doubt whether he will manage to beat the world record.
How many times _________ (Joe) to beat the world record so far? (try)
How many times has Joe tried to beat the world record so far?
Who _____ (take) over your duties after you leave the company?
Who will take over your duties after you leave the company?
John ________ for some international mail for months now. (wait)
John has been waiting for some international mail for months now.
It's late and my bus _______ (come) yet. I _____ (miss) my lesson. What a bummer!
It's late and my bus hasn't come yet. I am going to miss my lesson. What a bummer!
Since she ____ (take) over, she _____ (introduce) a number of changes in the department.
Since she took over, she has introduced a number of changes in the department.
The country's policy ________ rapid transformations. We should be able to see some results of that soon. (undergo)
The country's policy is undergoing rapid transformations. We should be able to see some results of that soon.
The patient ________ better and better and then all of a sudden she died. (get)
The patient was getting better and better and then all of a sudden she died.
I remember very clearly that while I _____ (look) at her, she _______ (smile) at me.
I remember very clearly that while I was looking at her, she was smiling at me.
In the military hospital, the doctors ______ the wounded soldiers all day and night. It was a tough week. (examine)
In the military hospital, the doctors were examining the wounded soldiers all day and night. It was a tough week.
When you arrived, the party ________ (already, start).
When you arrived, the party had already started.
As soon as I ______ (leave) the hospital, I returned to work.
As soon as I had left the hospital, I returned to work.
We ______ (stay) here only for six days and so we _____ (not make) any friends here yet.
We have been staying/have stayed here only for six days and so we haven't made any friends here yet.
As a child Tom never _____ (cause) trouble but since he _____ (turn) eighteen, he _____ (be) totally unruly.
As a child Tom never caused trouble but since he turned eighteen, he has been totally unruly.
'I _____ (buy) these earrings for Susan.'
'They're lovely but I'm not sure if she ____ (wear) earrings at all.'
'I have bought these earrings for Susan.'
'They're lovely but I'm not sure if she wears earrings at all.'
The doctors ______ (try) to resuscitate the wounded man since he _______ (bring PASSIVE) to hospital. They _____ (succeed) yet. I'm worried.
The doctors have been trying to resuscitate the wounded man since he was brought to hospital. They haven't succeeded yet. I'm worried.
Someone _____ (call) the fire emergency at about midnight and _____ (say) that a store opposite his house ________ (burn). The fire brigade _____ (set) off immediately but unfortunately as they ______ (rush) to the fire site their engine _____ (collide) with another car.
Someone called the fire emergency at about midnight and said that a store opposite his house was burning. The fire brigade set off immediately but unfortunately, as they were rushing to the fire site their engine collided with another car.
Susan came late. We _______ (already, discuss) the matter for some time and so she _______ (not know, quite) where we were at the time. She told us she _____ (drive) through the city centre for hours before she ____ (get) to our house.
Susan came late. We had already been discussing the matter for some time and so she didn't quite know where we were at the time. She told us she had been driving through the city centre for hours before she got to our house.
Why _______ (arrive, train) yet? By three o'clock, we ______ (wait) for it for two hours.
Why hasn't the train arrived yet? By three o'clock, we will have been waiting for it for two hours.
How long ___________ (Samantha, have) the cat by the end of this month?
How long will Samantha have had the cat by the end of this month?