We use the phrasal verb "to come down to sth" to express that we recognize something as the thing that influences something the most.

Example:
Even though it was really hard work, I managed to finish the marathon.
It all came down to a matter of finding the willpower to do it. 


In the picture below, you will find some more examples that will help you to better understand how to use this phrasal verb.

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We use the phrasal verb "to come down on sb/sth" to express that we punish or criticize someone or something very strongly.

Example:

She came down pretty hard on her kids for breaking her favourite vase.

In the picture below, you will find some more examples that will help you to better understand how to use this phrasal verb.

To download and save this picture : right-click on the image and choose Save Image As or Save Picture As.