You don't need commas if "and" is used to indicate addition.
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15
I fell asleep while I watched TV.
I fell asleep while I was watching TV.
*After while use past progressive.
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15
My father is thinking that I should stop smoking.
My father thinks I should stop smoking.
* In this sentence, the verb think is a state verb. It is generally not used in the progressive (~ing) tense.
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15
It is raining when I got home last night.
It was raining when I got home last night.
* Use past progressive for a longer action that was interrupted by a shorter action in the past.
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heart
Other team wins 20 points!
Oops!
shark
Other team loses 10 points!
Okay!
gift
Win 15 points!
Okay!
baam
Lose 20 points!
Oops!
trap
No points!
Oops!
shark
Other team loses 15 points!
Okay!
shark
Other team loses 25 points!
Okay!
banana
Go to last place!
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15
I haven't ate anything today.
I have not eaten anything today.
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15
Everyone have seen that movie.
Everyone has seen that movie.
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thief
Give points!
5
10
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20
25
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
monster
Reset all scores!
Oops!
shark
Other team loses 25 points!
Okay!
fairy
Take points!
5
10
15
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lifesaver
Give 15 points!
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My sister is annoying today, but usually, she is nice.
My sister is being annoying today, but usually she is nice.
(We use progressive tenses for actions that are temporary)
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15
If I am a child, I would play outside.
If I were a child, I would play outside.
* Second conditional = If + past tense, subject + would/could/might. The second conditional is used for unreal cases.
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25
Punctuation? I am afraid of large birds, spiders and mom.
Use a comma before and when adding three items or more.
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25
Can you spot the mistake? In general, the students don't care about their teachers.
Don't use THE when talking about things in general.
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25
How can it be improved? IBGE is an important institution.
IBGE, the Brazilian Institute of Geography and Statistics, is an important institution.
Don't take for granted that your readers know things.
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25
Punctuation? He is not really nice looking and yet he has enormous charm
He is not really nice-looking, and yet he has enormous charm.
Use a comma before any coordinating conjunction connecting two independent clauses.