Why don't you play with your sister?

English Grammar Tests, Elementary Level

ESL/EFL Test #187 [color=blue]“Verb Tense Practice (4)”, question 6

Why don’t you with your sister? I’m busy right now.

(a) play
(b) plays
(c) played
(d) playing

English Grammar Tests, Elementary Level

ESL/EFL Test #187 [color=blue]“Verb Tense Practice (4)”, answer 6

Why don’t you play with your sister? I’m busy right now.

Correct answer: (a) play
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What about playing with your sister? Is another correct way of making the same suggestion.

Yes, that is an option.