verb
ADVERB
▪ falsely , truthfully
▪
The basis for the perjury conviction was he had testified falsely under oath.
▪ publicly
▪ personally
VERB + TESTIFY
▪ ask sb to , call sb to , call upon sb to , subpoena sb to ( esp. AmE )
▪
The president's former aides were called to ~ at his trial.
▪ compel sb to , force sb to
▪ agree to , be prepared to , be willing to
▪ refuse to
▪ come forward to
▪
Several witnesses have come forward to ~ against her.
▪ be allowed to
▪ be expected to , be scheduled to
▪ take the stand to
▪
He took the stand to ~ at the trial of his colleague.
PREPOSITION
▪ against
▪
She refused to ~ against her brother.
▪ before
▪
She was willing to ~ before Congress.
▪ for
▪
a Mafia member who was prepared to ~ for the authorities
▪ to
▪
A senior officer testified to the existence of police hit squads.
▪
A large number of witnesses testified to the tribunal.
PHRASES
▪ ~ in court , ~ under oath ( esp. AmE )
Testify is used with these nouns as the subject: ↑ witness