could understand vs could understood

The correct phrase is "could understand." The verb "understand" should be in the base form after modal verbs like "could." The phrase "could understood" uses the past participle form of the verb, which isn't right in this context.

Explained by Miss E.
Editor at TextRanch

Last updated: August 24, 2024

could understand

This phrase is correct and commonly used in English.

This phrase is used to express the ability or possibility of understanding something in the past. The verb "understand" is in the base form after the modal verb "could."

Examples:

I could understand the instructions clearly.
She could understand the reasons behind his decision.
We could understand the importance of the project.
He could understand the complexity of the situation.
They could understand the implications of the new policy.

Show examples from the web [+]

A monkey I could understand, but you...
"R" I could understand...
None of you could understand except for Davis.
I just... I love him more than you could understand.
I doubt a doctor could understand his pain.
It's not the kind of relationship someone like you could understand.
Like you could understand my problems.
Anyone with insight could understand that.
It's something no man could understand.
The whole point was that nobody else could understand it.
Insisted that Billy was lettered so that he could understand the cause and contribute.
You're limiting the universe to only things humans could understand.
Then all my readers could understand, too.
I never could understand what comes from feeling that way except weakness.
I wish you could understand what this means.
Of all people, Commander, you could understand wanting closure.
A little bit of nasal recreation, I could understand.
A month or two, I could understand.
It's not something you could understand.
Only a cop could understand how this feels.

could understood

This phrase is incorrect in English.

Alternatives:

could have understood
could be understood
could understand
could have been understood
could understand

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could understand vs could understood

could understand

could understood

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