Past or Present?

[kahhong]

Hi there,

in this sentence, i should you present or past tense?

My shirt's colour become/became blue colour.



thanks,

Warmest Regards,


-kahhong

[Tdol]

My shirt turnerd/has turned blue.

It depends- if it happened today, or the shirt is important now, use the present perfect. If it's in the past, use the simple past.