Tenses
She’s exhausted because she ___ (work) on that report all day.
She’s exhausted because she has been working on that report all day.
We’ll meet ___ the train station ___ 7 p.m., but the concert starts ___ 8.
We’ll meet at the train station at 7 p.m., but the concert starts at 8.
I saw ___ movie last night. ___ movie was really good!
I saw a movie last night. The movie was really good!
The woman ___ lives next door is a marine biologist.
The woman who lives next door is a marine biologist.
You ___ wear a helmet when you ride a motorbike — it’s the law.
You must wear a helmet when you ride a motorbike — it’s the law.
By the time we arrived, the concert ___ (already / start).
By the time we arrived, the concert had already started.
I’m really interested ___ learning more ___ artificial intelligence.
I’m really interested in learning more about artificial intelligence.
___ water in this area is not safe to drink, but ___ coffee is fine.
The water in this area is not safe to drink, but Ø (no article) coffee is fine.
My laptop, ___ I bought two years ago, still works perfectly.
My laptop, which I bought two years ago, still works perfectly.
You ___ park here. It’s for residents only.
You can’t / mustn’t park here. It’s for residents only.
By next summer, I ___ (finish) my university degree.
By next summer, I will have finished my university degree.
Her success depends ___ how well she can adapt ___ new situations.
Her success depends on how well she can adapt to new situations.
___ honesty is important in relationships, but not everyone always tells ___ truth.
Ø (no article) honesty is important in relationships, but not everyone always tells the truth.
The author ___ books you lent me is giving a lecture tomorrow.
The author whose books you lent me is giving a lecture tomorrow.
She’s not answering her phone. She ___ be asleep, or she ___ have forgotten to charge it.
She’s not answering her phone. She might be asleep, or she could have forgotten to charge it.
If I ___ (know) about the traffic, I ___ (leave) earlier.
If I had known about the traffic, I would have left earlier.
The policy was introduced ___ response ___ growing environmental concerns.
The policy was introduced in response to growing environmental concerns.
After graduating from ___ university, she spent a year working in ___ Netherlands.
After graduating from Ø (no article) university, she spent a year working in the Netherlands.
The company ___ he used to work for went bankrupt last year.
The company (that / which) he used to work for went bankrupt last year.
You ___ have told me you were running late — I waited for an hour!
You should / could have told me you were running late — I waited for an hour!
When we finally reached the station, the train ___ (already / leave), and everyone ___ (wait) for the next one in silence.
When we finally reached the station, the train had already left, and everyone was waiting for the next one in silence.
___ no circumstances should you agree ___ those terms without reading the contract carefully.
Under no circumstances should you agree to those terms without reading the contract carefully.
It was ___ experience that changed her life — not just any experience, but ___ experience of losing everything and starting again.
It was an experience that changed her life — not just any experience, but the experience of losing everything and starting again.
We visited the town ___ my grandparents were born, ___ is now famous for its film festival.
We visited the town where my grandparents were born, which is now famous for its film festival.
He looks tired today. He ___ have stayed up all night finishing that report.
He must have stayed up all night finishing that report.