Prepositions after verbs

Reckon with, as, by, from or about

Reckon changes meaning depending on the structure. Reckon with is common for dealing with something. Other combinations are more limited or belong to specific contexts.

Quick answer

How does reckon work with prepositions?

Use reckon with for dealing with a problem or considering a factor. Reckon as appears in some formal varieties meaning regard as. Reckon by and reckon from relate to calculation or measurement. Reckon about is generally not standard.

We must reckon with rising costs this year.
She was reckoned as an expert in the field.
They reckon from the date of arrival.

Choose the pattern by meaning

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

1
reckon with + difficulty or factor

Considering or dealing with something

Use reckon with for problems, risks, opponents, or important factors.

Investors must reckon with market uncertainty.
You have to reckon with heavy traffic at this hour.
2
reckon as + role or status

Regarding someone or something in a certain way

Reckon as is formal and less common than regard as or consider.

He was reckoned as a reliable adviser.
The building is reckoned as a local landmark.
3
reckon by + system or measure

Calculating using a method

By can introduce a method, scale, or system of calculation.

Farmers reckon by the lunar calendar.
The fee is reckoned by weight.
4
reckon from + starting point

Calculating from a time or place

From introduces the point where counting or measuring begins.

We reckon from the first payment date.
Distances are reckoned from the city centre.

See the difference in context

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

Construction
Example
Meaning
reckon with
The team had to reckon with strong competition.
Deal with or take into account.
reckon as
She is reckoned as a leading designer.
Regard as; formal usage.
reckon by
The charge is reckoned by volume.
Calculate according to a method or measure.
reckon from
The warranty is reckoned from the purchase date.
Count or calculate starting at a point.
reckon about
They reckoned about the cost for hours.
This combination is generally nonstandard for the core meanings of reckon. Use reckon with, estimate, or talk about depending on meaning.

Common mistakes

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

Using reckon about for consideration

Use reckon with when meaning consider or deal with.

✕ We must reckon about the risks. ✓ We must reckon with the risks.

Using reckon as in informal everyday speech

Reckon as is formal and less common than consider or regard as.

✕ I reckon him as my best friend. ✓ I consider him my best friend.

Confusing by and from in calculations

By gives the method; from gives the starting point.

✕ The period is reckoned by January 1. ✓ The period is reckoned from January 1.

Quick practice

Choose the expression that matches the intended meaning.

1. Any plan must reckon ___ changing customer demand.
2. The tax is reckoned ___ income level.
3. The deadline is reckoned ___ the signing date.

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Frequently asked questions

Is reckon with common in modern English?

Yes. It is widely used for dealing with problems or considering factors.

Can reckon as mean regard as?

Yes, especially in formal or literary English, although regard as and consider are more common.

Is reckon about correct?

Not usually for the standard meanings of reckon. Use about with talk or think, or use reckon with for consideration.

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