Multiple choice

Directions: Choose the correct option from the given four alternatives to fill the blank space in the following sentence.

Walk carefully, lest you ……….

  1. fallen

  2. was falling

  3. has fallen

  4. fall
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The word 'lest' introduces a clause showing purpose or fear of something happening, and it requires the subjunctive mood - the base form of the verb. 'Fall' is the correct base form, while the other options are tensed forms that don't work with 'lest'.

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