Phrasal Verbs with KEEP

keep on
to continue doing something
He kept on asking me irrelevant questions.

keep from
to prevent someone from doing something
I couldn’t keep myself from laughing.

keep up
to make progress at the same rate as other people
I found it difficult to keep up with other students.

keep to
to follow an agreement or a rule
We need to keep to the plan.

keep to yourself
to not tell other people about something
Please keep this information to yourself.