Understand it. Use it.

Grammar for real conversations

Compare natural examples, then check your understanding with multiple-choice practice.

New to the library? Start with in, on, and at, asking about prices, or asking for advice.

44 lessons

01 · A1–A2 · 10–15 min

In, on, and at

Say where something is and when it happens.

Place and time

02 · A1–A2 · 10–15 min

Go to work, go home

Describe destinations with the right phrase.

Place and time

04 · A2–B1 · 10–15 min

While and during

Connect activities that overlap in time.

Connecting ideas

05 · B1–B2 · 10–15 min

By and through

Explain a method or a process without changing the meaning.

Place and time

06 · A2–B1 · 10–15 min

Nouns and verbs

Choose the form that fits a sentence.

Word choice

10 · B1–B2 · 10–15 min

Adjective order

Describe an object naturally without overloading the sentence.

Sentence structure

13 · B1–B2 · 10–15 min

Allow and prohibit

Explain permission and restrictions clearly.

Time and verbs

16 · B1–B2 · 10–15 min

Recently and lately

Choose a tense that fits the event, not just the adverb.

Time and verbs

17 · B1–B2 · 10–15 min

Suggest and recommend

Offer an idea using a natural verb pattern.

Time and verbs

18 · B1–B2 · 10–15 min

Where to put only

Make clear what you are limiting.

Sentence structure

20 · A1–A2 · 10–15 min

Asking about prices

Ask what something costs and clarify the total.

Everyday communication

24 · B1–B2 · 10–15 min

Accuse and blame

Distinguish an allegation from an assignment of responsibility.

Everyday communication

26 · B1–B2 · 10–15 min

The past perfect

Show what had happened before another past point.

Time and verbs

28 · B1–B2 · 10–15 min

This, that, and it

Refer clearly to objects and ideas in context.

Sentence structure

29 · A2–B1 · 10–15 min

To do and for doing

Explain a purpose or the function of an object.

Connecting ideas

30 · B1–B2 · 10–15 min

So and so that

Distinguish a result from an intended purpose.

Connecting ideas

35 · B1–B2 · 10–15 min

Could and was able to

Distinguish past ability from a particular achievement.

Time and verbs

37 · A2–B1 · 10–15 min

Most and almost

Distinguish a majority from something nearly true.

Quantity

38 · B1–B2 · 10–15 min

Affect and effect

Describe an influence and its result.

Word choice

40 · A2–B1 · 10–15 min

So and such

Add emphasis using the right sentence pattern.

Quantity

41 · B1–B2 · 10–15 min

Refuse and reject

Decline an action or turn down an offer.

Word choice

43 · B1–B2 · 10–15 min

Describing trends

Describe a change with its amount and time period.

Everyday communication