Compound adjectives

Causative Verbs

Past Perfect


Relative clauses

Adverb clauses /adverbial phrases

Reported Speech

Collocations DO/MAKE

Modals in the past

Linking sounds in English 

Phrasal verbs

Making requests

There Have been          Money expressions     There would be

English Expressions           Filler words                  Cursing words

customer service expressions

Call center job interview questions and answers