This phrase uses the rhetorical device known as Parallelism. The specific piece "at once...government" is repeated in two parallel clauses and thus qualifies as a parallelism.
Answer:
Present form of verb 'be' is 'is' or 'am' or 'are' and present participle of the main verb means -ing form of verb indicating continuous action.
Explanation:
present form
Closest, there are no answer choices so I can't help
Search up the definitions for the words and I think it will be much easier!:)