(What are the appropriate tenses for these questions?)
Arriving on time, he had walked 3 miles in a little under an hour.
They were planning on being at the game tonight.
We will always attend the regional game for our league.
During the game, they spent all of their money on popcorn.
She is always running late for practice. They will have traveled for more than 32 hours on reaching their final destination. After staying up late, he is sleeping through class again.
On the side of the building, they will be planting several trees to give the parking lot some shade.
They have never seen the ocean before. Before the end of the day, the students will have watched three hours of lecture videos.
She walks at the track every day for two hours.

Because he wanted to arrive on time, he had walked 3 miles in a little under an hour.
They planned on being at the game tonight.
We always attend the regional game for our league.
During the game, they had spent all of their money on popcorn.
She is always running late for practice.
They would have traveled for more than 32 hours on reaching their final destination.
After he stayed up late, he is sleeping through class again.
On the side of the building, they had planted several trees to give the parking lot some shade.
They had never seen the ocean before.
Before the end of the day, the students would have watched three hours of lecture videos.
She walks at the track every day for two hours.

What is a Tense?

This refers to the expression of time as it is used in a sentence.

With this in mind, we can see that there are different tenses used in the sentences and some of them were changed to more appropriate tenses from present perfect, past tense, present continuous tense, etc.