With and Without — Tools, People, and Manner

Use 'with' for physical tools you hold, for people who accompany you, and for manner (with care). 'Without' expresses the absence of something.

With and Without — Tools, People, and Manner

While 'by' describes an abstract method or channel, 'with' connects an action to a concrete, physical instrument, a companion, or the manner in which something is done. The by/with confusion is among the three most common preposition errors in the Cambridge Learner Corpus at B1–B2 level, consistently produced by learners whose L1 does not separate these functions. A parallel error involves 'without' — learners often omit it or replace it with negated 'with', producing ungrammatical structures.

With for Physical Tools

If you can hold it in your hand or use it as an instrument, use 'with':

She cut the ribbon with scissors.
He ate his soup with a spoon.
She wrote the letter with a pen.
He opened the lock with a hairpin.

With for Accompaniment

I went to the cinema with my friends.
She arrived with her whole family.

With for Manner

Please handle the equipment with care.
She answered with confidence.
He listened with great patience.

Without — Absence

She left the house without saying goodbye.
He finished the project without any help.

Common Mistakes

✗ He wrote the essay by a pencil. → ✓ He wrote it with a pencil.
✗ She ate her soup by a spoon. → ✓ She ate it with a spoon.
✗ He opened the box by a knife. → ✓ He opened it with a knife.