Modals
The modal verbs include can, must, may, might, will, would, should. They are used with other verbs to express ability, obligation and possibility.
Can and be able to
Complete the sentences. Use can if possible, otherwise use be able to.
1.
I used to run two miles, but with weight gain I am no longer able to run two miles.2.
Ask your professor, he might help you connect the dots.3.
Although he is five, he speak three languages.4.
Cautiously, John walks over to the man and asks him if he drive a truck.5.
Our students will write computer programs to numerically solve equations.