Multiple choice

Directions: Fill the gap with the most appropriate word from the options given below.

I shall not be late for dinner _____.

  1. unless the train is late

  2. unless the train will be late

  3. unless the train not late

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

After 'unless' in a conditional clause about the future, we use the present tense ('is'), not 'will'. Option A is grammatically correct. Option B incorrectly uses 'will' after 'unless', option C is missing the verb 'is', and option D is unnecessary since A is correct.

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