He was wearing a red shirt.

he Pronoun

— A person or animal that we do not know the gender of. Kill that spider, before he gets away!.

he Noun

— A he refers to a male person. — He is the name of the fifth letter of many Semitic alphabets such as Phoenician, Aramaic, Hebrew, Syriac, Arabic and others.

was Verb

— A form of the verb be used to talk about yourself, or another person in the past. I was singing in the shower. Who was that girl you were talking to?

wearing

— noun (= wear) the act of having on your person as a covering or adornment she bought it for everyday wear — adjective (= exhausting) producing exhaustion an exhausting march the visit was especially wearing — noun (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)

a Determinative

— A is used when the following word could be any of a certain type. Compare "A book I saw on the shelf" and "The book I gave you yesterday".

a Noun

— A is the first letter of the alphabet. The letter "a" comes before "b". — In some schools, an A is a very high grade. Ron got an A on his earth science test.

red Noun

— Red is a color.

red Adjective

— having the color red

shirt Noun

— A shirt is a piece of clothing you wear on the upper part of your body. Shirts are not very thick. I need a new shirt to go with my new pants.