certainty

absolutely | undoubtedly | undeniably

The adverb ‘undeniably‘ is used to emphasize that something cannot be denied or disputed.  It is listed at C2 in the English Vocabulary Profile with the meaning: in a way that is almost certainly true.  For example: That‘s undeniably true. Listen In the English Grammar Profile, C1 point 64 in ADVERBS/modifiers is defined as: a wide range of …

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BE + sure | certain+ to VERB

In this post, we explore modality with two adjectives followed by infinitives. Here is an imperative example of telling someone with emphasis not to forget or fail to do something: Be sure to check the weather  before you go to the airport. listen And here is an extremely advanced modification of an assertion, a bit like a negative superlative comparison:   There’s nothing more certain to ruin a beautiful relationship than marriage. …

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