Prepositional Phrases- Does it Need a Comma?

Front

On Monday morning, we got good news.

Back

No

Front

Under the full Blue Moon, wolves become more dangerous.

Back

Yes

Front

From every direction, the screaming kindergarteners came running. Does it need a comma?

Back

No

Front

During winter, many feel gloomy. Needs a comma?

Back

Yes

Front

Against my better judgement, I decided to try sushi. Does it need a comma?

Back

Yes

Front

Without you__I can't do this. Does it NEED a comma?

Back

No

Front

Prepositional phrases start with a preposition.

Back

Yes

Front

Prepositional phrases must end with an object (noun/pronoun).

Back

Yes

Front

By Monday morning, you are expected to have 47 things collected. Does it need a comma?

Back

No

Front

For the last six months, Wally has been trying to bake the perfect cookie. Does it need a comma?

Back

Yes