Complete the procrastinating student's midnight realization by choosing the correct verb form for each gap.

Look at the clock! It's time to start writing this history essay.

Honestly, it's high time I took my assignments more seriously instead of watching penguin documentaries.

Look at the clock! It's time to start writing this history essay.

When "it's time" is followed immediately by a verb, we use the infinitive with "to" (It's time to do something).

Honestly, it's high time I took my assignments more seriously instead of watching penguin documentaries.

When "it's time" or "it's high time" is followed by a subject (in this case, "I"), we use the past tense to express that something should be done now or should have already been done.