Present perfect vs. past simple
I ___ (send) three emails this morning.
have sent
I think humans ___ (colonize) Mars in the near future.
will colonize
Joan ___ (turn off) the alarm and ___ (get out) of bed.
turned off, got out
Whatever/Whenever you need my help, just ask.
Whenever
You’ve been working for too long. You shall/should take a break.
should
Lisa is a Senior Developer now. She ___ (work) in IT for five years.
has worked
Our next English lesson ___ (start) at 7 pm tomorrow.
starts
What ___ (you/do) at 10 o’clock yesterday?
were you doing
Please log out of the system until/before you go home.
before
I’ve missed too many lessons. I really can/must/need attend the next one.
must
Ron ___ (quit) his job two days ago.
quit
Look at the time! We ___ (miss) the plane!
are going to miss
She received an urgent email when she ___ (work).
was working
I’ll leave the hotel early in case there will be/is be a lot of traffic.
is
Are we supposed/allowed/able to work this weekend?
supposed
He ___ (study) computer science from 2010 to 2014.
studied
A: Have you got any plans for the weekend? B: I ___ (visit) my family in Lviv.
am going to visit
I visited Iceland last year. I ___ (not be) there before.
hadn’t been
Please wait until the update has been/will be installed.
has been
You shouldn’t/don’t have to write this report, it’s not necessary.
don’t have to
When ___ (be) the last time you ___ (speak) to your Team Lead?
was, spoke
I ___ (meet) the customer tomorrow. We’ve already settled the time and place.
am meeting
They ___ (eat) all the pizza by the time I ___ (come) to the party.
had eaten, came
I haven’t decided yet. I’ll let you know when I make/have made/both my choice.
both
We shouldn’t/mustn’t/don’t have to smoke in the office. Otherwise there will be a penalty.
mustn’t