We have 15 lessons to go in this series.

Make sure you study each day.

Please don't fall behind.

What does this phrasal verb mean?

"Fall behind" can be both intransitive and transitive.

If it's transitive,

it's inseparable.

We could also use it with the prepositions WITH and ON.

Do you usually do your work according to schedule?

Or do you sometimes fall behind?

How can you make sure

you don't fall behind schedule in the future?

Let's first review the definitions

of all six phrasal verbs that we've studied so far.

We'll use flashcards again.

let in on

come up with

sink in

brush up on

try out

fall behind

Now let's see how well you remember

the particles needed to form each phrasal verb.

If you'd like more practice,

try answering each question.

It would be even better

if you had a study partner.