Question

did you______to ride a bicycle ?I don't remember ________it.(learn)​

Answer 1

Did u go to ride a bicycle? I don’t remember it

Answer 2

The word will be filled by - learn, learning.

• The sentence that will form is -

Did you learn to ride a bicycle?

I don't remember learning it.

• First form of verb is always used with 'did'. It implies simple past tense. The second sentence implies present continuous tense.

• Other example of simple past tense is - He did the work on time, to save himself from punishment.
• Other example of present continuous tense is - He is doing the work, to complete it on time.