Подчеркнуть все глаголы-сказуемые. Определить видовременную форму и указать инфинитив этих глаголов.
Перевести предложения на русский язык.
1. Navigation keys include a variety of keys which move the cursor to different
positions on the screen.
2. He seldom used this scanner.
3. I was trying to log on when the system crashed.
4. Richard has already tapped his e-mail address.
5. I won’t tell you my e-mail address.