Errors A
Errors B
100

Either John will call Mary or Bob.

John will call either Mary or Bob.

100

Both my mother talked to the teacher and my father.

My mother talked to both the teacher and my father.

200

Not only Sue saw the mouse but also the cat.

Sue saw not only the mouse, but also the cat.

200

Either Mr. Anderson or Ms. Wiggins are going to teach our class today.

Either Mr. Anderson or Ms. Wiggins IS going to teach our class today.

300

According to the news report, it will snow tonight the roads may be dangerous in the morning.

According to the news report, it will snow tonight. The roads may be dangerous in the morning.

Also correct: ;    , and

300

She wants to buy a compact car, she is saving her money.

She wants to buy a compact car, so she is saving her money.

Also correct: ;     , and so

400

While we were in New York, we attended an opera, while we were in New York, we ate at marvelous restaurants, we visited some old friends.

While we were in New York, we attended an opera, ate at marvelous restaurants, and visited some old friends.

400

My brother is visiting me for a couple of days we spent yesterday together in the city and we had a really good time.

My brother is visiting me for a couple of days. We spent yesterday together in the city, and we had a really good time.

500

I had trouble thinking of a place to take my brother for lunch because he's a strict vegetarian but I remembered a restaurant that has vegan food we went there and we had a wonderful lunch. 

I had trouble thinking of a place to take my brother for lunch because he's a strict vegetarian, but I remembered a restaurant that has vegan food. We went there, and we had a wonderful lunch.

500

In the afternoon it started raining we decided to go to a movie it was pretty good but had too much violence for me I felt tense when we left the theater I prefer comedies or dramas my brother loved the movie. 

In the afternoon it started raining, so we decided to go to a movie. It was pretty good but had too much violence for me. I felt tense when we left the theater. I prefer comedies or dramas, but my brother loved the movie.

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