In English grammar, ____ deals with formation of sentences.

• ইংরেজি গ্রামারে 'Syntax' deals with formation of sentence.
- Syntax - The arrangement of words and phrases to create well-formed sentences in a language.

অন্যদিকে,
• Morphology - The study of the forms of words
• Etymology - The origin of a word and the historical development of its meaning.
• Semantics - deals with the e meaning of a word, phrase, sentence, or text.

Source: Oxford Learners Dictionary.