The auxiliary verb "have" and the past (-ed) participle

[Leon]

English Grammar Error, Intermediate level

ESL/EFL Test #17 "Christmas is coming", question 5

A: Oh I follow you. You mean if you haven't behaving yourself well, you don't get any presents.

(a) I follow
(b) haven't behaving
(c) any

English Grammar Error, Intermediate level

ESL/EFL Test #17 "Christmas is coming", answer 5

A: Oh I follow you. You mean if you haven't been behaving yourself well, you don't get any presents.

Correct entry: haven't been behaving
The error was: (b) haven't behaving
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Why is this correct?

Leon

[Mister Micawber]

.
The perfect aspects are formed with the auxiliary verb have and the past (-ed) participle: Haven't been behaving; haven't behaved.

(X) Haven't behaving is an incorrect verb formation using have and the present participle.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber