Present Perfect Tense Form : Sub + have/has + past participle (V3.) Usages Us…
To-infinitive forms in American English are much more frequent than the -ing f…
Adverbs of frequency If you want to talk about how frequently a person does s…
"Used to" In general, when it comes to daily conversation it is not a…
-ed and -ing Adjectives When it comes to participles specifical ly the past p…
Direct Speech and Reported Speech There are two fundamental speeches which ar…
WORD FORMATION What is a word formation? Word formation is the way in wh…
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