What is an introductory phrase?

An introductory phrase is like a clause, but it doesn’t have its own subject and verb; it relies on the subject and verb in the main clause. When you use an introductory phrase in your writing, you’re signaling to the reader that the central message of the sentence is yet to come.

What is appositive phrase?

An appositive is a noun or pronoun — often with modifiers — set beside another noun or pronoun to explain or identify it. An appositive phrase usually follows the word it explains or identifies, but it may also precede it. A bold innovator, Wassily Kandinsky is known for his colorful abstract paintings.

How do you use firstly and secondly in a sentence?

Firstly, I would love to see the Colosseum. Secondly, I’m sure the pope is dying to meet me. Thirdly, they have great pizza.

Is there a comma after in conclusion?

[T]he second sentence seems the most correct way to conclude your passage. Also using “altogether” after “which” or “argument” makes the sentence more meaningful. The reason to use commas here would be not because it’s an adjectival clause, but because you consider it a nonrestrictive clause.