Present perfect: have visited

[ronaldo]

English Error, Elementary Level

ESL/EFL Test #17 "My Thoughts", question 8

I wonder if you have ever visit my country because more and more tourists are coming now.

(a) have
(b) visit
(c) coming

English Error, Elementary Level

ESL/EFL Test #17 "My Thoughts", answer 8

I wonder if you have ever visited my country because more and more tourists are coming now.

Correct entry: visited
The error was: (b) visit
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Could you tell me why? I don't understand.

[Mister Micawber]

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The auxiliary have is part of the formation of the present perfect verb form; the other part is the past participle, the -ed form of the verb: have visited.
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Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber