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Prepositions after verbs

“Taint with” vs. “tainted by”

Use taint with when naming the negative quality added to something. Use tainted by in passive structures to show the cause of corruption or damage.

Quick answer

Key difference

Taint with describes what contaminates or spoils something. Tainted by is common in passive form and names the cause.

The report was tainted by political bias.
The water was tainted with chemicals.
His reputation was tainted by the scandal.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
taint with + substance/quality

Name the contaminating element

With introduces the negative substance or quality added.

The evidence was tainted with doubt.
2
tainted by + cause

Show the source of corruption

By is common in passive structures and names the cause.

The process was tainted by corruption.
3
taint + object

Spoil or damage something

Taint can also take a direct object without a preposition.

False claims tainted the investigation permanently.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
taint with
The milk was tainted with bacteria.
contain a harmful or unwanted element
tainted by
The election was tainted by fraud.
affected negatively because of something
taint by
They tainted the results by altering the data.
By introduces method or cause, not a fixed complement after active taint
taint + object
The scandal tainted his career.
damage reputation or quality

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using by after active taint

Active taint usually takes a direct object or with phrase.

✕ They tainted by chemicals the river. ✓ They tainted the river with chemicals.

Using with for abstract causes in passive form

By is often more natural for causes such as scandals or corruption.

✕ The campaign was tainted with corruption. ✓ The campaign was tainted by corruption.

Forgetting the object

Taint normally affects something specific.

✕ The chemicals tainted. ✓ The chemicals tainted the water.

Quick practice

Choose the expression that matches the intended meaning.

1. The food was tainted ___ harmful bacteria.
2. His reputation was tainted ___ the allegations.
3. Which sentence is correct?

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Frequently asked questions

Can taint be used positively?

No. Taint almost always has a negative meaning.

Why is tainted by so common?

English often uses the passive form to focus on the damaged thing rather than the cause.

Can I say tainted with corruption?

It is possible, but tainted by corruption is usually more natural for abstract causes.

tackle by, in, for, with or on? tack-on-onto-to-across, as "tag with" or "tag in"? tailor to, for, from, toward or towards? "take into", "take in" or "take to"? "talk about" or "talk to"? tally with, in, for, up or at? "tap into" or "tap on"? target at, by, for, to or in? tarnish by, in, with, after or as? "taste like", "taste of" or "taste in"? "tax at" or "tax on"?

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