have changed vs might have changed

The phrases 'have changed' and 'might have changed' are not directly comparable as they serve different purposes. 'Have changed' is used to indicate a completed action in the past, while 'might have changed' is used to express a possibility or uncertainty about a past event. Therefore, the choice between the two depends on the intended meaning in the context.

Last updated: March 27, 2024 • 4508 views

This phrase is correct and commonly used in English to indicate a completed action in the past.

"have changed"

The phrase 'have changed' is used to talk about something that has already happened and is now different from before.

Examples:

The weather has changed a lot since yesterday.
I have changed my mind about going to the party.
The company's policies have changed over the years.
She has changed her hairstyle for the wedding.
The situation has changed dramatically.

Show examples from the web [+]

Our options have changed, so please listen carefully.
Second, the practice of patent-holding companies have changed.
I know teaching methods have changed...
Times have changed, Mr. Super Cop.
The NSA agents have changed their agenda.
Guns have changed hands so many times since the original owner, practically untraceable.
The medium and long term prospects have changed.
Over the years my feelings have changed.
But obviously the circumstances have changed.
Things have changed since Berger arrived.
Business organisations have got smaller, methods of communication have changed.
Europe's security needs have changed.
And whether you admit it or not, things have changed.
That samurai is long gone, times have changed.
Well, the circumstances have changed.
- Things have changed, Jane.
Things have changed... and I accept that.
I can see times have changed.
I can see times have changed.
Because whistle-blower laws have changed a lot in the last few years.

Alternatives:

changed
has been changed
was changed
had changed
has altered

This phrase is correct and commonly used in English to express a possibility or uncertainty about a past event.

"might have changed"

The phrase 'might have changed' is used when there is a doubt or uncertainty about whether something has changed in the past.

Examples:

I thought the meeting was at 3, but it might have changed.
The price might have changed since I last checked.
She might have changed her phone number.
The schedule might have changed due to the weather.
He might have changed his plans for the weekend.

Show examples from the web [+]

Don't you think he might have changed his identity by now?
Who knows how she might have changed things with her just being here, the ripple effect
Might have changed things for me.
Because after the formal, I thought you might have changed your minds.
I might have changed, but I'm still his father.
For a moment, I thought my luck might have changed.
We had hoped that you might have changed your mind, Sue Ellen.
I think he might have changed it because of someone else's influence.
I thought you might have changed your mind... after I stopped the men terrorizing our city.
I thought maybe you might have changed your mind, so I didn't file it.
I think they might have changed that too.
Had we perhaps reacted more vigorously at the time, we might have changed something.
Twenty-eight people that might have changed the world for the better, were they allowed to live.
Maybe cleaning up William's mess might have changed me?
So you can't think of why he might have changed, either?
As a result, the cost level of the Union industry might have changed.
The Commission takes the view that the transitional provisions introduced by Order No 285 of 1999 might have changed the scheme the Commission had originally approved.
If there had been any kind of significant resistance put up, if the British and the French had stood up to his invasion of the Rhineland, that might have changed things.
Well, she might have changed lately, but I can't believe she could have changed that much.
Since some time has elapsed between the original notification and the current Decision, situations might have changed, markets might have developed and facts concerning the project might have turned differently than was originally planned.

Alternatives:

could have changed
may have changed
possibly changed
potentially changed
might be different now

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have changed vs might have changed

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