ride on something -phrasal verb

This ebook has been written to help students prepare for the Key Word Transformation part of the Use of English paper (grammar) of the Cambridge English:  C2 Proficiency.

It will give you a good understanding of the different grammatical structures commonly used in this part of the Use of English test, e.g. passive - active voice , impersonal passive, conditional sentences , inverted conditionals, inversions, set phrases, comparative-superlative, causative verbs, phrasal verbs, linking words, etc.

If you want to learn how to do Key word transformation exercises effectively, this book is for you.

cognizant - C2 vocabulary
dispense with sth - c2 vocabulary