Question

We noticed a young man ----------------- down and order a meal. sit or sat?

Answer 1

We noticed a young man sitting down and ordering a meal.

Answer 2

Если выбирать из этих двух вариантов, больше подходит sat, т.к. должно быть согласование времен

Answer 3

The correct verb tense to use in this sentence is "sat."

"We noticed a young man sit down and order a meal."

In this context, the action of the young man sitting down and ordering a meal occurred in the past, so the past tense "sat" is appropriate.