lost vs lose

[Lotar]

English Language Tests, Intermediate level

ESL/EFL Test #267 "Irregular Verbs Test (15)", question 6

The football game on Sunday is very important so the boys are nervous because they don't want to ..........

(a) lose
(b) lost
(c) losing

English Language Tests, Intermediate level

ESL/EFL Test #267 "Irregular Verbs Test (15)", answer 6

The football game on Sunday is very important so the boys are nervous because they don't want to lose.

Correct answer: (a) lose
_________________________

lost vs lose?

Lotar

[Innominata]

"Lose" is only one grammatically correct answer. "Lost" is the past tense and "losing" is continous one, both of them can't be used with infinitive.
Am I right?