Question

he called ___ for help​

Answer 1

He called for help. This is a correct sentence.

Here 'call for' is a prepositional phrase.

What is a prepositional phrase?

• A prepositional phrase is designed by joining a verb and a preposition together.
• A prepositional phrase consists of prepositions, objects, and modifiers.
• For example, take a look at this, call on, call in, call forth and call away are prepositional phrases of call.

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Answer 2

Answer:

in

Explanation:

the phrasal verb 'called in' means to call someone to your place.

So, in the sentence , he called in for help.