How to Use "Proof" with Example Sentences

proof (n): facts or information that show something is true or real

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Used with verbs:

"Do you have any proof that he did that?"
(have)

"I want proof that this happened."
(want, need, demand)

"Did you see proof of it?"
(see, find, get, obtain)

"I showed you proof already."
(showed, gave, provided, offered)

"This rock is proof that the earth is very old."
(be: is/am/are)

Used with adjectives:

"I need solid proof that she was there."
(solid, clear, sufficient, direct, positive, real, absolute)

"She is living proof that it can be done."
(living)

"She offered written proof."
(written, photographic, scientific, legal, documented)

"I have final proof that he caused the accident."
(final, ultimate)

Used with prepositions:

"She showed us proof of alien life."
(of)

"You shouldn't say such things without proof."
(without)