Forms with mid

How mid is normally used

Mid is usually part of a compound expression such as mid-July, mid-century, or mid-way through. Mid to and mid of are not standard fixed adjective patterns.

Quick answer

Are mid to and mid of correct?

Mid is normally used before a noun or in compounds, such as mid-April or mid-century. Mid to and mid of are generally not standard combinations as direct adjective patterns. In some sentences, to or of may belong to another part of the sentence rather than to mid itself.

We visited in mid-July.
The style became popular in the mid-1990s.
Production slowed by midweek.

Choose the pattern by meaning

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

1
mid- + time period

Referring to the middle of a period

Mid commonly forms compounds with dates, years, and eras.

The project ended in mid-May.
The building was designed in the mid-20th century.
2
midway through + activity

Referring to the middle stage

Midway through is a standard alternative for describing progress in an activity or event.

We were midway through the meeting.
3
in the middle of + noun

Standard alternative to nonstandard mid of

Use in the middle of for most everyday situations.

They arrived in the middle of the night.

See the difference in context

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

Construction
Example
Meaning
mid to
The road runs from midtown to the harbour.
Here to belongs to from...to, not directly to mid.
mid of
We met in the middle of June.
Mid of is generally nonstandard; use middle of or a compound like mid-June.
mid-June
The weather improves by mid-June.
Standard compound form.
midway through
She fell asleep midway through the film.
Standard expression for the middle stage of something.

Common mistakes

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

Using mid of before dates

Use a compound form or middle of instead.

✕ mid of July ✓ mid-July

Using mid to as a fixed adjective pattern

Mid does not normally take to directly as an adjective pattern.

✕ The event happened mid to August. ✓ The event happened in mid-August.

Adding unnecessary spaces in compounds

Many mid expressions are written with a hyphen.

✕ mid July ✓ mid-July

Quick practice

Choose the expression that matches the intended meaning.

1. We plan to travel in ___.
2. She left ___ the concert.
3. They arrived ___ the night.

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Frequently asked questions

Is mid of ever correct?

It is generally considered nonstandard in modern English.

Why is mid-July hyphenated?

Mid often forms compound modifiers with time expressions.

Can mid appear without a noun?

Usually it appears in compounds or fixed expressions rather than alone as an adjective.

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