در زبان انگلیسی واحد های گرامر به چهار دسته تقسیم می شوند:
A. Word ( Parts of speech )
a. Noun
b. Verb
c. Pronoun
d. Adjective
e. Adverb
f. Preposition
g. Conjunction
h. Interjection
i. Article and Determiner - more recently –
B. Phrase
a. Verb phrase
b. Noun phrase
c. Adjective phrase
d. Adverb phrase
e. Preposition phrase
C. Clause
a.Independent (main) clause
b. dependent (subordinated) clause
D. Sentence
a. Simple
b. Compound
c. Complex
d. Compound - Complex