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.
2. be able
Will I be able to speak perfect English in the future?
(work) I won't be able ... for two weeks after the operation.
Englisch Wort "mógł"(be able) tritt in Sätzen auf:
ang takie tam3. can could been able to
4. was able to
5. be able to
Robots will be able to cook
I was be able to set up my own business
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.