LESSON 3.Keeping fit

 Do you play these sports?

draughts = checkers

Swimming is really good for your back. — Плавание очень полезно для спины.
I enjoy reading non-fiction books. — Мне очень нравится чтение научно-популярных книг.
We ran 7 kilometers without stopping. — Мы пробежали 7 км без остановок.

Gerund - Infinitive. Engish-grammar.at

Infinitive - gerund. Agendaweb.org

Gerund Verbs Exercises - Test 1

Gerund Verbs Exercises - Test 2

Gerund Verbs Exercises - Test 3

Infinitive vs Gerund Exercises - Test 1

Infinitive vs Gerund Exercises - Test 2