Answer :
Final answer:
Infinitives in English are the base forms of verbs, usually preceded by 'to'. They cannot be replaced by directional signs or shoulder shifts as those are forms of non-verbal communication, not English grammar rules. The answer is c. False, infinitives like 'to' are in fact used.
Explanation:
In the context of the English language, infinitives are the base form of a verb, typically preceded by the word 'to', like 'to run', 'to eat', or 'to study'. Infinitives are used in various grammatical constructions, and cannot be replaced by directional signs or shoulder shifts, as these fall under non-verbal communication practices, and not English grammar rules. Hence, the answer to your question is: c. False, you do sign infinitives like 'to'.
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