3. Ask questions using the words in brackets. Use the present perfect simple (have/has done) or continuous (have/has been doing). 1) You have a friend who is learning Arabic. You ask: (how long/learn/Arabic?) 2) You have just arrived to meet a friend. She is waiting for you. You ask: (wait/long?) 3) You see somebody fishing by the river. You ask: (catch/any fish?) 4) Some friends of yours are having a party next week. You ask: (how many people/invite?) 5) A friend of yours is a teacher. You ask: (how long/teach?)

Перевод задания: Составьте вопросы, используя слова в скобках. Используйте Present Perfect Simple или Present Perfect Continuous.

1. How long have you been learning Arabic? (Как долго ты изучаешь арабский?)
2. Have you been waiting long? (Ты давно ждёшь?)
3. Have you caught any fish? (Ты поймал какую-нибудь рыбу?)
4. How many people have you invited? (Сколько человек вы пригласили?)
5. How long have you been teaching? (Как долго ты преподаёшь?)

Для продолжающегося действия или его длительности подходит Present Perfect Continuous; для полученного результата или количества — Present Perfect Simple.