I miss listening

[Guest]

Test No. incompl/inter-91 "Tenses (2)", question 10

When I'm in town, I ......... listening to the birds.

(a) missing
(b) miss
(c) misses
(d) missed

Test No. incompl/inter-91 "Tenses (2)", answer 10

When I'm in town, I miss listening to the birds.

Correct answer: (b) miss

Your answer was: incorrect
When I'm in town, I misses listening to the birds.
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why miss is used .

[Alan]

This is the form for the first person singular as in I speak/I eat/I understand.
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English as a Second Language
You can read my ESL story Only Three Letters