Present tenses
He... tennis on Monday afternoon.
is playing
...you...any risks lately?
Have / taken
It's a strange story, but it ...true.
could be (=it is possible that it's true)
... money away is a nice thing to do.
To give
By 1950, Jack Thayer...(write)about his experience.
had written
Lately, Mount Everest...dirty.
has become
This pass...include one uppercase letter.
must
He continued...his old car.
driving
Passengers ....(travel for) more than 18 hours when they landed in California.
had been traveling for. ( the past perfect continuous show how an earlier continuous action relates to a later past action. For is used to show the duration of the continuous action,earlier= had been traveling; later-landed
What time...you ...Kate tomorrow?
are/ meeting
I ...here from 2010 to 2024.
Worked ( I don't work here now)
Sometimes you ....answer security questions.
have to
Matel Dawson liked ... students.
helping
James was out of breath. He...(run).
he had been running.
I... anything this evening.
an not doing
I don't know where Lisa is.I ... her.
haven't seen ( =I haven't seen her recently)
Technology...control you.You should control technology.
shouldn't
He encouraged them ...(use ) libraries
to use
The house is dirty. They...(clean) if for weeks.
haven't cleaned
Steve...football on Saturday. He's hurt his leg.
isn't playing
Edward ... in a bank for 15 years.Then he ...(give) it up.Now he works as a gardener.
worked/ gave
When my cell phone rings, I ... answer it . I can wait.
don't have to
Do you volunteer your time in order...others?
to help
Many people died because the lifeboats ...half empty.
had left