Review of modals and expressions of cause and effect

Complete the next sentence using an expression of cause and effect: I did not sleep well, _____ I will feel sleepy. (1 option)

• therefore

• thus

• as a result

• so

Answer explanation

There is a comma (,) before the expression, so the only possible option was "so."

Complete the next sentence using an expression of cause and effect: I cannot go to school _____ I'm sick. (there are 2 posibilities, but just 1 correct option was chosen)

• since

• thus

• as a result

• as a consequence

Answer explanation

The correct option is "since." Another option was "because." The options "as a result," "as a consequence," and "thus" are incorrect because there is no semicolon (;) in the sentence.

Complete the next sentence using an expression of cause and effect: ______ she is on vacation, she is in Italy. (2 possibilities, but there is just 1 correct option)

• Therefore

• Thus

• Because

• Due to

Answer explanation

The correct option is "becase" as the pronoun that follows this expression is "she" and a conjugated verb. Another option was "since."

Complete the following sentence with an expression of cause and effect: _____________ him watching TV all day long, his eyes are completely red. (3 options)

• As a consequence of, As a result of, Due to

• So, Because, Since

• Thus, Therefore, Hence

Answer explanation

The option "Thus, Therefore, Hence" is incorrect because there is not a comma after the empty space. The option "So, Because, Since" is incorrect because of the pronoun we use in this sentence. We are using an objective pronoun.

Use the correct modal based on the description you have: They _____ spend their night playing videogames. (there is a 90% chance of happening)

• will

• may

• might

• may have

Answer explanation

We use the auxiliar "will" to express the future, but we also use it to express a 90% chance of happening.

Use the correct modal based on the description you have: He _____ come early today. (50% chance of happening)

• will

• may

• might

• may have

Answer explanation

"May" is the modal we use to express that there is a 50% chance of something to happen.

Use the correct modal based on the description you have: They ____ go studying to the library (10% chance of happening)

• will

• may

• might

• may have

Answer explanation

If a person uses "might" to express something to happen, you had better not have high expectations.

Use the correct modal based on the description you have: She _______ spent many hours on social media. (past modal)

• will

• may

• might

• may have

Answer explanation

We have 4 past modals: could have, should have, would have, and may/might have. After you use one of them, the verb you use has to be in past paticiple.

What is the obligation modal that expresses your feelings?

• has to

• have to

• must

• need to

What is the obligation modal you use to express that you are following a command or an order?

• must have

• have/has to

• must

• should have