Example (I saw it on some page)
So, you can see that we need a conjunction to for the sentence to be clear!
Which of the following are rewritten correctly?
So, you can see that we need a conjunction to the sentence for the sentence to be clear!
So, you can see that we need the sentence a conjunction for the sentence to be clear!
So, you can see that we need a conjunction to and for the sentence to be clear!
In the first two examples I repeated one words two times. In the third - just a conjunction.
Is there a rule? I think in the example word sentence is dropped!