Mastering the linguistic and grammatical aspects of...

A The use of definite articles (the) in English is mandatory before all nouns, regardless of context.  B The auxiliary verb do is used in the present and past to form affirmative sentences. C In English, the adjective generally precedes the noun it describes, as in "a beautiful house."  D Uncountable nouns, such as "water," have plural forms in English, such as "waters."