Multiple choice

Directions: Fill in the blank(s) with correct tense of the verb from the options given below:

Unless you take the brake off, the car _____ move.

  1. couldn't

  2. wouldn't

  3. won't

  4. might

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Future simple 'won't' (will not) is correct because the first conditional 'unless you take the brake off' sets up a real future possibility. 'Won't move' expresses the future consequence in this conditional structure.