IV - Modals of possibility

Complete the sentence with one of the following verbs

Sentence: Scientists _____ possibly know the future; they're just guessing.

• can't
• could

• may

• might

• must

Complete the sentence with one of the following verbs

Sentence: Physics _____ be one of the most challenging subjects to study. It's very complex.

• can't
• could

• may

• might

• must

Complete the sentence with one of the following verbs

| can't | could | may | might | must |

Sentence: Overuse of technology _____ be the cause of our brains getting smaller.

Complete the sentence with one of the following verbs

| can't | could | may | might | must |

Sentence: Poor quality teaching _____ be a reason few women study science, but I'm not sure.

Complete the sentence with one of the following verbs

| can't | could | may | might | must |

Sentence: It _____ be easy to do research. It _____ take a lot of time and patience.

Which of the following verb(s) say that you are completely sure something is true now?

• can't

• could

• may

• might

• must

Which of the following verb(s) say that you are completely sure something is not true now?

• can't

• could

• may

• might

• must

Which of the following verb(s) say that something is possible now?

• can't

• could

• may

• might

• must