Class 2 - Chapter 1

Air is consisting of oxygen, nitrogen, and other gases.

• Correct

• Incorrect

Answer explanation

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Simple Present and Present Progressive

I am working overtime this week.

• Correct

• Incorrect

Answer explanation

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Simple Present and Present Progressive

Does the copy machine working right now?

• Correct

• Incorrect

Answer explanation

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Simple Present and Present Progressive: Affirmative, negative, question forms

We aren't knowing Sami's wife.

• Correct

• Incorrect

Answer explanation

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Verbs not usually used in the progressive (stative verbs)

My cel phone network is always dropping calls.

• Correct

• Incorrect

Answer explanation

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Simple Past Tense

Gloria canceled her doctor's appointment because she felt better.

• Correct

• Incorrect

Answer explanation

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Simple Past vs. Past Progressive

I turned on the stove, am boiling the water, and forget to put in the rice.

• Correct

• Incorrect

Answer explanation

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Simple Past vs. Past Progressive

A few children drawed some pictures this morning while the teacher was talking.

• Correct

• Incorrect

Answer explanation

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Simple Past vs. Past Progressive

When I turned the key, the car wasn't starting.

• Correct

• Incorrect

Answer explanation

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Simple Past vs. Past Progressive

I was going to call you, but my phone died.

• Correct

• Incorrect

Answer explanation

Chart 1-5

Unfulfilled intentions: was/were going to...