From Teflpedia
A man sewing.

Sew (/səʊ/) is an English verb.

Sew is an ambiregular verb; it has the third person form "sews" (/səʊz/), the -ing form "sewing" (/səʊwɪŋ(g)/) and a regular preterite "sewed" (/səʊd/), which can also be used as a regular past participle, but it also has an irregular past participle "sewn" (/səʊn/).

Sew is a homophone with the verb sow. It is also a homophone with the word so.