When the weather was good, i could......... my bike in the

When the weather was good, I could ride my bike in the park.

Когда погода была хорошей, я мог ездить на велике в парке.

[wn]  []   [w]   [wz]  [gd],  [a]   [kd]   [rad]   [ma]   [bak]    [n]    []  [pk]

 Could is a modal verb. We use infinitive without to after modal verbs.