1.  She _________ speak four foreign languages.

12. _____________ you ____________ (come) to my house after class?

11. She __________________(not / join) the meeting because she is busy.

10. They __________________(find) the library easily—it’s next to the school.

9. __________ you ________________ (explain) the grammar again?

8. I __________________(not / finish) the homework today, but I’ll try tomorrow.

7. My parents __________________(use) a computer, but they prefer books.

____________ she ______________________ (take) the advanced class?

We __________________(not / go) to the park because it’s raining.

He __________________(not / understand) French.

__________ you __________ (help) me with this exercise?

I __________________(not / come) to the party tonight.

Maria __________________(play) the piano very well.

9.   I'm afraid we are _________________ to fulfill your request.

8. She isn't ________________ to do it today.

________________make

_________________

5.  He _______________  see you now.

___________

_________

2.  The candidate should ________ to speak fluent English.

________

1.  She _________ speak four foreign languages.

_________

1.  She _________ speak four foreign languages.

I ________________________________ (pass) the test, but it wasn't easy!

Mark ________________________ (not attend) the meeting tomorrow.

By studying hard, you _________________(pass) the final exam with flying colors.

_______________________ the children _______________________ (come) to the party on Saturday?

In the future, technology _________________(allow) us to travel to other planets.

If we get enough volunteers, we _________________ (organize) the event successfully.

_______________________ the children _______________________ (come) to the party on Saturday?

In the future, technology _________________(allow) us to travel to other planets.

With more practice, she _________________ (play) the piano at a concert level.

Until the rain stops, we ___________________(not fix) the fence.

Larry ______________________________ (not get) to the meeting on time. The traffic was too heavy.

After you finish the course, you _________________(understand) advanced mathematics concepts.

When I was a child, I _________________(climb) trees easily.

_____________________ I ______________________ (take) the advanced class next semester?

When you turn 18, you _________________ (vote) in national elections.

By next year, I _________________ (speak) three languages fluently.

4.  Negative ability on a specific occasion

3.  Negative general ability

2. Positive ability on a specific occasion

1. Positive general ability

1.  At the age of eight, she_______________________ speak three languages. 2.  And when she was ten, she ___________________________ speak another two languages. 3.  When I was fifteen, I ________________________ ride a motorbike. 4.  However, at age fifteen, I  ____________________________ drive a car. 5.  Unfortunately, I ______________________________ find my keys last night when I got home last night. 6.  Fortunately, I ____________________________ unlock the door with a spare key last night. 7.  However, I _______________________ find the original keys at that time. 8.  The rescuers _______________________contact the trapped miners soon after the mine collapsed yesterday. 9.  She ______________________ smell gas coming from the stove, so she turned off the burner. 10.  However, she  ____________________________ see the escaping gas. 11.  I ________________________________understand anything that he was saying. 12.  We ______________________________ hear Joe enter the house because he made a loud noise.

.____ I was able to ride a bike when I was ten years old. 2.____ Unfortunately, I wasn’t able to make a dentist appointment for this week. 3.____ We were able to get an excellent price on flights for our trip. 4.____ Sherry was able to run faster than her brother when they were young. 5.____ David was able to lift heavy boxes before his injury. 6.____ Randy was not able to drive until age eighteen. 7.____ I used to be able to sing. 8.____ The students were able to pass the Final Exam last fall. 9.____ Were you able to finish your homework yesterday?

.____ I was able to ride a bike when I was ten years old. 2.____ Unfortunately, I wasn’t able to make a dentist appointment for this week. 3.____ We were able to get an excellent price on flights for our trip. 4.____ Sherry was able to run faster than her brother when they were young. 5.____ David was able to lift heavy boxes before his injury. 6.____ Randy was not able to drive until age eighteen. 7.____ I used to be able to sing. 8.____ The students were able to pass the Final Exam last fall. 9.____ Were you able to finish your homework yesterday?