Study these two sentences:
He ran out of the shop
He ran out of ideas
In the first sentence, the meaning is clear - What did he do? He ran. Where did he run? Out.
In the second sentence, 'ran out' is a single verb, meaning ' he didn't have any more'. 'Out' is not the opposite of 'in'. It is not used literally - you can't run out of a cigarette! Verbs used like this are called phrasal verbs.
Here is another example;
She's so fat, it's difficult to get by her.
They don't have much money, but they get by. (Phrasal - it means 'they manage to live')
Here are some sentences. If you think the verb is a phrasal verb, click on 'true'.