When I was 17 years old, I _______ play the guitar very well
When I was 17 years old, I could play the guitar very well
I have a bad cold, so I ___ ____be at work tomorrow morning
I have a bad cold, so I may not be at work tomorrow morning
You _______ wear a tie if you want to go to that restaurant. It is one of their rules!
Drivers _____ speed the llimit
Drivers mustn't speed the limit
Jenny _____ be more patient unless her husband is going to leave her
Jenny should be more patient unless her husband is going to leave her
She _____ speak Japanese, Chinese, English and French
She can speak Japanese, Chinese, English and French
I don't know what kind of insect this is. It _____ some kind of ant
I don't know what kind of insect this is. It might be some kind of ant
I _____ work in my English: I want to speak fluently
I must work in my English: I want to speak fluently
Sara ______ eat a lot of fatty food because she is going to get sick
Sara shouldn't eat a lot of fatty food because she is going to get sick
Kiko, koko and Leo _____ fly, but they _____ swim very well
Kiko,koko and leo can't fly, but they can swim very well
Hurry! Let's go to the store before it closes. It ____ ____ be open after six
Hurry! Lets go to the store before it closes. It may not be open after six
I _____ go on a diet if I want to lose some weight
I must go on a diet if I want to lose some weight
My father ______ ______ be at work at 8:00 o'clock. He is the boss
My father doesn't have to be at work at 8:00 o'clock. He is the boss
Shakira ______ sing another kind of songs
Shakira should sing another kind of songs
In 1998, my cousin Perla ______ compete in Olympic gymnastics
In 1998, my cousin Perla could compete in Olympic gymnastics
Oh! no The airplane _____ be delayed because of the bad weather
Oh! no The airplane may be delayed because of the bad weather
We _____ pay attention in the class and try to understand better the grammar rules if we want to get better grades
We must pay attention in the class and try to understand better the grammar rules if we want to get better grades
Students don't have to go to school on Saturday
Lila and her boyfriend ______ do more exercise
Lila and her boyfriend should do more exercise
Fabiola _____ ride a horse, because she is afraid of horses
Fabiola can't ride a horse, because she is afraid of horses
What is the capital city of Spain? I am not sure but it _____ be Madrid
What is the capital city of Spain? I am not sure but it might be Madrid
Students ______ wear uniform in the school
Students have to wear uniform in the school
You ______ drink alcohol if you are going to drive
You mustn't drink alcohol if you are going to drive
My neighbors ______ be so noisy
My neighbors shouldn't be so noisy