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Anonymous Posted 19 years ago
Grammar

double predicate?

I read somewhere that you should not but a comma before and when it acts as a double predicate.

Could someone please show me a few examples of what this is.

Thank you.
  

Top answer

I found the link that prpmted you to ask the question. Let me explain 'double predicate' on the example given there. The customer finished his meal and paid the check.

  • I found the link that prpmted you to ask the question.
  • Let me explain 'double predicate' on the example given there.
  • The customer finished his meal and paid the check.
  • Here we have two predicates--finished and paid.
  • The rule is you shouldn't place a comma to separate them.
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4 Answers
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I found the link that prpmted you to ask the question. Let me explain 'double predicate' on the example given there.

The customer finished his meal and paid the check.
Here we have two predicates--finished and paid. The rule is you shouldn't place a comma to separate them.

That is,the customer finished his meal, and paid the check.--is wrong

The rule of thumb: avoid
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If there's another subject after the and, use a comma; otherwise, don't.

I drove to the post office and mailed the letter.
I drove to the post office, and I mailed the letter.

Jerry picked up the book and placed it on the table.
Jerry picked up the book, and he placed it on the table.

The chefs peeled the potatoes and cooked them.
The che
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OK. So even if it has the same subject, yet restates it, you use a comma.
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That seems to make sense with "and," but what about with "but"?

He tried to climb the fence but couldn't.

or

He tried to climb the fence, but couldn't.

I seem to recall being taught about assumed subjects many, many years ago. I've never used the comma with "and," but have always used it with "but." (Even that last sentence is an example.)

??

J

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