The way to rephrase the sentence if we use only if will be " Only if we could not visit the star, then we would have a FTL drive".
It should be noted that a verb is simply used to show an action.
In this case, we are to rephrase the sentence.
This will be "Only if we could not visit the star, then we would have a FTL drive".
Learn more about verb on:
brainly.com/question/1718605
#SPJ1
