All words may be said to contain a root morpheme.

“The student” in the sentence “The student liked the linguistic lecture”, and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.” belong to the same syntactic category.

locutionary act

Duality

What the element ‘-es’ indicates is third person singular, present tense, the element ‘-ed’ past tense, and ‘-ing’ progressive aspect. Since they are the smallest unit of language and meaningful, they are also（）.

registers

ethnic dialect

The word “photographically” is made up of 5 morphemes.

As modern linguistics aims to describe and analyze the language people actually use, and not to lay down rules for "correct" linguistic behavior,it is said to be （）.

In modern linguistic studies, the written form of language is given more emphasis than the spoken form for a number of reasons.