The pronoun antecedents are unclear in the following sentences. Underline the pronouns in each, then rewrite the sentences so the antecedent is clear.

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1. I really like reading mystery novels, but I like reading non-fiction books too. I enjoy reading them all the time.

2. He wanted to cut the lawn, wash his car, and reive to Windsor that weekend. This was unrealistic.

PS. I don't get the underline part. What does it want me to underline. The part I'm changing?
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I will post my answers below.
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1. I really......non-fiction books too. I enjoy reading them.

Didn't really change anything much. Is this how I do it? Is it correct?
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2. He wanted to.....that weekend. Those activities were unrealistic.

Is it correct?
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Help is greatly appreciated. Since english is my second language it's hard for me.

Thanks,

4 answers

The problem in #1 is that "them" in the second sentence is vague -- the reader can't tell if it's referring to mystery books or to non-fiction books. So ...

1. I really like reading mystery novels, but I like reading non-fiction books too. I enjoy reading them all the time.
Rewritten: I really like reading mystery novels and non-fiction books, too. [No need for the second sentence; it's redundant!]

How will you fix #2?
The pronouns that you should underline are: 1. "them" is unclear. You need to clarify whether you like mysteries, non-fiction or both all of the time
2. There are no pronouns in the sentence. Perhaps they want to to clarify what the antecedent of "this" is
So, for number 2, would I change.....

2. "This was unrealistic" to "These activities were unrealistic"

Please respond.
Almost. It might be better to say, "Completing all these activities in one weekend was unrealistic."