UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/sərˈpraɪz/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/sɚˈpraɪz, sə-/ ,USA pronunciation: respelling(sər prīz, sə-)

Inflections of 'surprise' (v): (⇒ conjugate)
v 3rd person singular
v pres pverb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing."
v pastverb, past simple: Past tense--for example, "He saw the man." "She laughed."
v past pverb, past participle: Verb form used descriptively or to form verbs--for example, "the locked door," "The door has been locked."
WordReference Collins English Usage © 2020
Surprise can be a verb or a noun.
used as a verb
If something surprises you, you did not expect it.
What you say surprises me.
Her decision to resign had surprised everybody.
Don't use a progressive form of surprise. Don't say, for example, ‘What you say is surprising me’.
used as a noun
If something is a surprise, it surprises someone.
The result came as a surprise to everyone.
It was a great surprise to find out I had won.
In stories, expressions such as to my surprise and to her surprise are sometimes used to show that someone is surprised by something.
To her surprise he said no.
Be careful
Don't use any preposition except to in these expressions. Don't say, for example, ‘For her surprise he said no’.
Surprised is an adjective. If you are surprised to see something or surprised to hear something, you did not expect to see it or hear it.
I was surprised to see her return so soon.
You won't be surprised to learn that I disagreed with this.
Be careful
Don't say that someone is ‘surprised at seeing’ or ‘surprised at hearing’ something. Don't say that someone is ‘surprise to’ see or hear something. Don't say, for example, ‘I was surprised at seeing her return’ or ‘I was surprise to see her return’.
'surprise' also found in these entries:

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