Tense in the imperative?

[Luizzan]

English Language Tests, Intermediate level

ESL/EFL Test #178 "Reported commands: reported speech", question 2

"Could you open the window please?" She ......... him to open the window.

(a) reminded
(b) ordered
(c) asked
(d) warned

English Language Tests, Intermediate level

ESL/EFL Test #178 "Reported commands: reported speech", answer 2

"Could you open the window please?" She asked him to open the window.

Correct answer: (c) asked
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what tense is "could you open the window please?"

[Mister Micawber]

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Present.
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Native English teacher at Mister Micawber's