Помогите понять предложение:

During the last hundred years many methods of building have been discovered

7. I have (lost/been loosing) my note-book. Have you (seen/been seeing) it anywhere? 8. Someone has (eaten/been eating) my sweets. They are nearly all gone. 9. I have (waited/been waiting) for you for ages! Where have you been? 10.

Choose the right tense form. Nina has been learning/has learned English for 2 years. The birds have already flown/have been flying to the South. They have known / have been knowing him for many years.

Упражнение 18. Напишите числительные цифрами. • One hundred and seventy six • Three thousand five hundred and eight • One thousand two hundred and ninety four • Four hundred and five • Fifteen thousand eight hundred and thirty • Two thousand seven

A. Read the sentences and say how can form negations in present perfect I have been to London We have been to Washington You have been to Boston They have been to Chicago She has been to Australia He has been to the USA I have not been to Moscow We

Помогите с грамматикой по английскому языку. 1. Last night he ... he ... for his performance. 1) discovered; had been awarded 2) had discovered; awarded 3) discovered; awarded 4) discovered; is awarded 2. They ...