Past tense is used in connection with actions in the past.

How much do you know about Brian's past?

Let's talk about mental time travel.

Well, perhaps our father has died.

Let bygones be bygones.

And for the first time

In the past. It's all in the past.

The past is the past, okay?

How long are you going to cling to past glory.

His background is even more frightful.

I don't know anything as to his past.

I don't know anything about his past.

I don't know anything about Tom's past.

The year stole by.

Ideally we'd like them both, but if you could only have one...

We sat talking about the remote past.

They inquired about his past experience.

The past? !

Any history of drug use?

So we say the universe is expanding.

We all make errors, it doesn't care what happened.

You can't see the future, obviously, and you can't see the past, except in your memory.

Gravitational fields are created very simply.

The aristocrat clings to the glory of his past.

The bad things stay with you.

You've turned them down twice before.

I was full of curiosity about her past.

And you're wondering, What is a legacy?

This is the observation from which we start.

He is always dwelling on the pleasures of the past.

There are only two possible explanations.

Witness the fact that Americans are holding on to their cars

(Laughter)

Demons have escaped in the past.

My past indiscretions are coming back to haunt me.

Well there is actually six of them. There are two ways to be present oriented.

But what about oil? Where is it in the energy system?

So you have a situation where people don't know the past, even though we live in literate societies, because they don't trust the sources of the past.

And moderate on present hedonism.

And the thing that's happened is, they canceled the TV industrial complex.

In a past oriented society, people dwell on the past and on tradition.

Simple Past

Past Progressive

Past Participle

It is this weapon of devastating accuracy and precision.