Найти сказуемые и определить их видовременные формы.

1. It has not been possible to determine the exact origin because it has not been possible to identify the exact place or materials from which any particular oil accumulation originated.

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

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.

Has John and pigs? Yes, he has. Has John got any rabbits? Yes he has. Has he got a cockerel? Yes, he has. Has he got any hens? Yes, he has. Has he got any dogs? Yes, he has. Has he got an elephant? No, he has not. Перевести на русский

IW. Choose the right one: Present Perfect or Present Perfect Continuous. 1. We have been / have been having French courses since September. 2. Nigar has read/has been reading some magazines for an hour. 3.

Выпишите из текста глаголы-сказуемые, определите их видовременные формы: By disease in plants is meant some disturbance in the normal life-processes which affects either a particular organ or the entire plant, and which sometimes leads to premature