1. could
I wish I could.
The policeman talked to the children in as friendly a manner as he could.
The dying man made an effort to say something, but could not.
The war on Iraq is a volatile subject of political debate; any wrong word and a heated argument could spark.
An international trade ban could be the last straw for that country's economy.
I'm so embarrassed I could dig a hole and crawl into it.
Tom pressed his ear against the wall to see if he could hear what his parents were discussing in the next room.
Tom can already play the drums better than I could at his age.
What kind of woman could love a guy like Tom?
According to some scholars, a major earthquake could occur at any moment now.
Would I only work on weekends if I could? Of course, I would.
He believed that blacks could win their fight for equal rights without violence.
The grenade blew up before the terrorist could throw it, and his arm was blown off!
A good theory is characterized by the fact that it makes a number of predictions that could in principle be disproved or falsified by observation.
I could stand here with you forever, just gazing off into the sea.
Inglese parola "bez niczego"(could) si verifica in set:
bare infinitive2. can
I can't forget him.
If we can just make it through one more month, we'll be sitting pretty.
Global warming can cause serious problems for wild animals, too.
I can give you a copy of the report, but I can't vouch for its accuracy.
I'm driving into town so I can drop you off on the way.
A wooden building can easily catch fire.
Who can read the heroic deeds of brave men without a feeling of respect and admiration?
It's a very dangerous sport, where a slight mistake can lead to serious injury.
Can I go horseback riding next Sunday?
Many people believe acupuncture can cure diseases.
We can continue playing, as long as we don't make too much noise.
Eating healthfully can help prevent heart disease.
The hospital restricts the number of visitors who can enter the intensive care unit.
Can we really learn to speak a foreign language like a native?
The city can be reached in less than 20 minutes by car from here.
3. will
This will be a good souvenir of my trip around the United States.
If you're tired, why don't you go to sleep? "Because if I go to sleep now I will wake up too early."
I will learn.
By the time she gets there, it will be nearly dark.
If he is in middle circumstances his clothes will be chosen chiefly for comfort.
When he opens a magazine, he will usually read his horoscope first.
When I have finished my lunch, I will lie down for an hour.
The proceeds from the bond issue will be used to finance the budget deficit.
Your computer will restart several times during installation.
She may be late, in which case we will wait.
How much will it cost you to go by air?
Publication of this month's issue will probably be delayed one week.
The growth rate of the Japanese economy will top 0.7% this year.
She will without a doubt visit England this summer.
On second thought, I think I will have a slice of that pie.
4. should
You should sleep.
If I should be suddenly spoken to in English, I might run away.
The relationship between husband and wife should be based on love.
Needless to say, fundamental human rights should be respected.
If your company primarily does business with America, then you should be studying English with a native speaker from America.
Tom is taking a walk with Mary and should be back before long.
Tom agrees that Mary should do most of the driving on their upcoming trip.
Spending time with your significant other should be high on your priority list.
You don't have to study all day. You should go out and have some fun.
Don't come to me now with that. You should have said something when it originally happened.
Should I put this bag in the overhead compartment?
A man should not be judged by his station in life.
Before you go hiking in the woods, find out what you should do when you meet a bear.
The first word of every sentence should be capitalized.
What should we do with people who are very sick or hurt and can't get better?
5. may
She may come.
I may seem confident, but I get extremely nervous speaking in front of people. My hands tremble, I get all tongue-tied, and sometimes I don't even know what I'm saying myself.
I entered the shop, and a clerk said, "May I help you?"
No matter what your profession, or how happy you may be in it, there are moments when you wish you had chosen some other career.
A man who has never gone to school may steal from a freight car, but if he has a university education, he may steal the whole railroad.
Come what may, I am determined to accomplish it.
I've been thinking that I may have been too critical.
It is said that the price of wine may go up at any time now.
Blues singer and guitarist Robert Johnson would have been 100 years old on May 8th of 2011 if he hadn't died when he was 27 years old.
Our child seems to be brilliant. Of course, we may be prejudiced.
I am determined to put the plan into practice no matter what others may say.
Global climatic changes may have been responsible for the extinction of the dinosaurs.
She hasn't come here yet. I am afraid she may have lost her way.
On condition you are back by ten o'clock, you may go to the dance.
Sometimes it may seem like we're not making any progress.
6. might
This might hurt.
Information is sometimes held back from patients when it is thought it might upset them.
The problem is not as simple as it might seem at first sight.
If I should be suddenly spoken to in English, I might run away.
Sometimes it's just best to avoid topics that might be controversial.
If students today had more free time, they might show more interest in politics.
It's getting easier to find audio files by native speakers for almost any language you might want to study.
I might have done well on yesterday's test, but I do not know the results yet.
Do you know where I might find small cowboy boots?
Education about birth control might help cut down on adolescent pregnancies.
Actually it might be a good idea to start right now.
That might be a little inconvenient for you, don't you think?
Judging from the look of the sky, we might have a shower before nightfall.
You might want to come over and play poker with me and my friends next Friday evening.
It looks like it may rain today. I'm worried that our cherry-blossom-viewing party might be canceled.
7. must
I must go.
Now that he has graduated, he must become more serious.
All the delegates knew they must discuss it.
I will go if I must.
You lean on your parents too much. You must be more independent.
His doctoral thesis must be submitted to the professor by the end of the month.
The checked player must find a way for the king to escape and block the check.
I must have tried on everything in the shop, but nothing looked right on me.
Must we dress up?
Even if it costs 10,000 yen, I must buy the dictionary.
In order to qualify for the homestay you must have an interview with the sponsors.
It's already ten o'clock. My mother must be angry.
Under no circumstances must you leave the room.
What a good scholar the author must be to write such a splendid book!
In cold weather we must be sure to keep our bodies warm.
8. would rather
I would rather go home.
I would rather go to the cinema than to a club.
9. had better
you had better hurry
you had better leave now if you want to catch that train