Переведите на русский язык, обращая внимание на ActiveInfinitive и PassiveInfinitive.
1. Nature has many secrets to be discovered yet. 2. To improve your phonetics you should record yourself and analyse your speech. 3. This is the book to be read during the summer holidays. 4. To be instructed by such a good specialist was a great advantage. 5. To play chess was his greatest pleasure. 6. The child did not like to be washed. 7. Isn't it natural that we like to be praised and don't like to be scolded? 8. Which is more pleasant: to give or to be given presents? He is very forgetful, but he doesn't like to be reminded of his duties.
Сравните употребление
Indefinite Infinitive и Perfect Infinitive
to write — to have written
I am glad to see you —рад видеть вас (рад, что вижу)
I am glad to have seen you — рад, что повидал