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Yellowstarstruck Posted 5 years ago
Grammar

Correct

Hi! Are these sentences all correct? Thanks, Fulvio

1. I'm not sure if it was realistic though.

2. I'm not sure if it is realistic however.

3. I was not sure if it is realistic though.

4. I was not sure if it was realistic however.

  

Top answer

yellowstarstruck I'm not sure if it was realistic though. I'm not sure if can take the present or past in the following clause. I'm not sure if it [is / was] realistic.

— CalifJim

  • yellowstarstruck I'm not sure if it was realistic though.
  • I'm not sure if can take the present or past in the following clause.
  • I'm not sure if it [is / was] realistic.
  • I was not sure if takes the past tense.
  • I was not sure if it was realistic.
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1 Answers
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yellowstarstruckI'm not sure if it was realistic though.
...

I'm not sure if can take the present or past in the following clause.

I'm not sure if it [is / was] realistic.

I was not sure if takes the past tense.

I was not sure if it was realistic.

Any of the patterns above can be followed by a comma

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