B1 · 15 of 50 goal

B1 — Getting Comfortable

A growing library of short, original lessons, numbered in the order we'd suggest going through them. We add to this by hand, so it stays honest rather than padded. Click any lesson title to open 8 kinds of practice exercises for it, generated fresh each time.

A1 A2 B1 B2 C1 C2

Lesson 1

Present Perfect vs. Past SimpleTry free, no sign-up

Use present perfect when the time isn't finished or isn't stated: "I've visited Paris." Use past simple for a specific, finished time: "I visited Paris in 2019."

~2 min · a real 5-question mini-lesson you can finish right now, no account needed.

Lesson 2

Second ConditionalFor unreal or unlikely present situations: "If I had more time, I would learn Japanese." Use past simple in the if-clause, "would" in the result.

For unreal or unlikely present situations: "If I had more time, I would learn Japanese." Use past simple in the if-clause, "would" in the result.

~5–10 min · read the explanation, then try a few of the 8 practice exercise types below the title — there's no formal "complete" marker, work through as many as you find useful.

Lesson 3

Used to for Past Habits"Used to" describes past habits or states that are no longer true: "I used to hate coffee." It doesn't exist in the present tense — never say "I use to."

"Used to" describes past habits or states that are no longer true: "I used to hate coffee." It doesn't exist in the present tense — never say "I use to."

~5–10 min · read the explanation, then try a few of the 8 practice exercise types below the title — there's no formal "complete" marker, work through as many as you find useful.

Lesson 4