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In the question below, a part of the sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose 'No improvement.' Rosy started at dawn then she must have reached home by now.

In the question below, a part of the sentence is underlined. Below are given alternatives to the underlined part which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose 'No improvement.' Rosy started at dawn then she must have reached home by now. Correct Answer so she should have

The correct answer is option 2, i.e., so she should have.

Key Points

  •  The sentence uses the phrase 'then she must have', which is incorrect.
  •  The first sentence states a fact (that Rosie started at dawn) and the second is suggesting a possibility of its outcome, given the fact (Rosie reaching home).
  •  So, the correct conjunction here is So, which means and for this reason; therefore. (first event happens so the possibility of second happens).
  •  The conjunction 'then' suggests a general progression, so it is incorrect here. (A happens then B happens. Here, A and B are not necessarily linked). 
  •  Whenever there is a future possibility indicated by a verb, we use the modal verbs such as should, could etc.
  •  Must- an obligation, compulsion. e.g. You must finish your homework.
  •  Should- a future probability. e.g. I have studied hard, so I should get an A on the test.
  •  Would- a future possibility in a general sense. e.g. Looks like it would rain today.
  •  Here, the sentence is suggesting a future probability of Rosie having reached home; so the correct modal verb is 'Should'.


Thus, the rectified sentence is: Rosy started at dawn so she should have reached home by now.

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