Explanation:
Irregular plural nouns are nouns that do not become plural by adding -s or -es, as most nouns in the English language do. You're probably familiar with many of these already. For example, the plural form of man is men, not mans. The plural form of woman is women, not womans.
Brutus believes that if they do not move toward Philippi, they will be trapped and defeated at Sardis.
A semicolon precedes the conjunction