Must/Have to
You _______ tell anyone what I just told you. It's a secret.
You mustn't tell anyone what I just told you. It's a secret.
Two students from Cologne, Germany, ages 17 and 18, are blamed _____ plotting an attack at their school on November 20. The plot _____ revealed when the school principal discovered a web page where the 17-year-old suspect uploaded his photos with guns.
Two students from Cologne, Germany, ages 17 and 18, are blamed for plotting an attack at their school on November 20. The plot was revealed when the school principal discovered a web page where the 17-year-old suspect uploaded his photos with guns.
The children promised _______ (play) more quietly. They promised _______ (not make) so much noise.
The children promised to play more quietly. They promised not to make so much noise.
I have to call the man. I accidentally picked up his umbrella after the meeting.
I have to call the man whose umbrella I accidentally picked up after the meeting.
What you did to John last night was wrong. No one deserves to be insulted in front of everyone like that. You need to learn to enforce/tend/treat other people with respect.
TREAT
The museum is free. You ________ pay to get in.
The museum is free. You don't have to pay to get in.
Animal cruelty, or animal abuse, is causing animals _____ suffer due to violence or neglect. It can be deliberate or _____. Moreover, it can be seen anywhere. Media reports suggest that animal abuse is common in both rural and _____ areas.
Animal cruelty, or animal abuse, is causing animals to suffer due to violence or neglect. It can be deliberate or indeliberate. Moreover, it can be seen anywhere. Media reports suggest that animal abuse is common in both rural and urban areas.
Could you please stop _____ (whistle)? I'm trying _____ (concentrate) on my work.
Could you please stop whistling? I'm trying to concentrate on my work.
She threw a great party to celebrate her 50th birthday at a night club. The night club opened in the old shoe factory last year.
She threw a great party to celebrate her 50th birthday at the night club which/that opened in the old shoe factory last year.
Unless the government decreases/facilitates/enforces stricter laws, cruelty to animals will not stop.
ENFORCES
Sarah: Why didn't you go to yoga class last night?
Bill: Because I ______ look after my baby sister.
"Because I had to look after my baby sister."
For some people, learning a spoken language is impossible. This is true for deaf people. Instead _____ a spoken language, deaf people use sign language. In this language, people communicate _____ moving their hands in specific ways. Sign language allows people _____ talk to both other deaf people and people with no hearing problems.
For some people, learning a spoken language is impossible. This is true for deaf people. Instead of a spoken language, deaf people use sign language. In this language, people communicate by moving their hands in specific ways. Sign language allows people to talk to both other deaf people and people with no hearing problems.
I will always remember _____ (watch) our team score the winning goal in the last seconds of the championship game in 2015. Unfortunately, you forgot _____ (mention) it in your presentation.
I will always remember watching our team score the winning goal in the last seconds of the championship game in 2015. Unfortunately, you forgot to mention it in your presentation.
Forming social bonds contribute to our emotional growth and help fill an emotional void. We experience that void when we are deprived of the company of other individuals like ourselves.
Forming social bonds contribute to our emotional growth and help fill the emotional void (that/which) we experience when we are deprived of the company of other individuals like ourselves.
According to a recent study, ironically, using social media too often may disguise/evoke/justify feelings of loneliness and inferiority since it can cause dissatisfaction with one's own life.
EVOKE
Just as I left my apartment, I realised that I forgot to take my wallet. Luckily, there was some cash in my pocket, so I ______ go back.
Just as I left my apartment, I realised that I forgot to take my wallet. Luckily, there was some cash in my pocket, so I didn't have to go back.
There are many different types of mercury, ____ the most dangerous of all are the organic mercury compounds. These ____ toxic by ingestion, inhalation or contact. Since they are _____ removed from the body, their concentrations gradually build up, particularly in the brain. This may result ____ a quick death.
There are many different types of mercury, but the most dangerous of all are the organic mercury compounds. These are toxic by ingestion, inhalation or contact. Since they are not/never removed from the body, their concentrations gradually build up, particularly in the brain. This may result in a quick death
You must stop ______ (worry) about what everyone thinks about you so much. It's okay _____ (want) other people to like you, but you mustn't let it _____ (control) your life.
You must stop worrying about what everyone thinks about you so much. It's okay to want other people to like you, but you mustn't let it control your life.
1)They went to a prestigious school. They had a chance to study neurology there. 2) Later, they wrote a book about artificial intelligence. This book has been translated into 12 languages so far.
They went to a prestigious school where/at which they had a chance to study cognitive science. Later, they wrote a book about artificial intelligence which/that has been translated into 12 languages so far.
Either/Both/Neither science nor/or/and philosophy is able to determine the limits of the human brain. It is still a mystery.
Neither ... nor
Jane: We _____ cancel tonight's outdoor concert if the rain doesn't stop.
Mike: Well, I hope we won't. We've sold 2000 tickets up to now. By the way, you _____ forget to pay the catering company. They've called three times since this morning.
Jane: We will have to cancel tonight's outdoor concert if the rain doesn't stop.
Mike: Well, I hope we won't. We've sold 2000 tickets up to now. By the way, you mustn't forget to pay the catering company. They've called three times since this morning.
The layer of the atmosphere which we live ____ is called the Troposphere. It contains about 50% ____ all the air in the entire atmosphere. All the clouds we see and the changes in weather we experience occur in the Troposphere. Air temperature and air pressure are ____ the same all the way up through the Troposphere. As the altitude increases, air temperature and air pressure _____.
The layer of the atmosphere which we live in is called the Troposphere. It contains about 50% of all the air in the entire atmosphere. All the clouds we see and the changes in weather we experience occur in the Troposphere. Air temperature and air pressure are not the same all the way up through the Troposphere. As the altitude increases, air temperature and air pressure decreases.
The workers don't mind ______ (work) longer hours if the management agrees _____ (pay) higher wages. If not, more and more workers will be involved in _____ (stop) their work _____ (protest) the unjust working conditions.
The workers don't mind working longer hours if the management agrees to pay higher wages. If not, more and more workers will be involved in stopping their work to protest the unjust working conditions.
1) Today, we are constantly exposed to visual and verbal adverts. Those adverts try to convince us that our lives will be improved if we buy a particular product. 2) As a result, artifical needs are imposed on us. We mostly end up spending loads of money for such needs
1) Today, we are constantly exposed to visual and verbal adverts which/that try to convince us that our lives will be improved if we buy a particular product. 2) As a result, artifical needs for which we mostly end up spending loads of money are imposed on us.
After falling apart/cutting down/going through a severe depression which ended/lasted/cured for almost a year, the writer wrote her most famous novel which is today seen/considered/regarded her best.
GOING THROUGH
LASTED
CONSIDERED