Question

they used to study together ( rewrite using would )

Answer 1

Answer:

They would study together.

Explanation:

Hope it helps!

Answer 2

They would study together. The modal verb 'would' is the past tense of the verb 'will'.

Auxiliary verb-would

• The word 'would'  is an auxiliary modal verb used to add some functional meaning or grammatical emphasis in a clause or sentence.
• These express the tense, voice, modality, and other aspects of a sentence.  
• It is used to describe past situations and hypothetical conditions.
• In a sentence, an auxiliary verb is preceded by the subject and followed by the main verb.
• 'Would' can express a desire, request, question, or some opinion.