Заполните пропуски определённым или неопределённым артиклем 1. this is textbook. textbook is old. 2. '' is that easy text? '' ''yes, it is. text is very easy.'' 3.this is apple. apple is good. 4.'' is thet cat? '' '' yes, it is. cat's white.'' 5. ''is pencil red? '' '' no, it isn't . is black.'' 6. open textbook, please.read text, please. 7.''is bill good student? '' ''yes, he is.he's very good student.'' 8. mr petrov is famous diplomat.

1. this is a textbook. the textbook is old. 2. '' is that an easy text? '' ''yes, it is. the text is very easy.'' 3.this is an apple.the  apple is good. 4.'' is that a cat? '' '' yes, it is. the cat's white.'' 5. ''is  a pencil red? '' '' no, it isn't . the pencil is black.'' 6. open a textbook, please.read the text, please. 7.''is bill a good student? '' ''yes, he is.he's a very good student.'' 8. mr petrov is a famous diplomat.  

By eight o'clock yesterday i (had done) my homework and at eight i (was playing) the piano. by six o'clock father (had come) home and at six he (was having) dinner. by nine o'clock yesterday grandmother (had washed) the dishes and at nine she (was watching) tv. when i (met) tom, he (was eating) an ice cream which he (had bought) at the corner of the street. when father (came) home, we (were cooking) the mushrooms which we (had gathered) in the wood. when i (saw) ann, she (was sorting) the flowers which she (had picked) in the field. when i (came) home yesterday, i (saw) that my little brother (had broken) my pen and (was playing) with its pieces. (1) is supposed (2) numerous sightings (3) beast  (4) supposedly  (5) splashing  (6) observations (7) fake.

How long have you studied english? i haven't visited the usa yet.he just has given an interview.they have lived in canada since 2015.i still haven't met your brother.they have lived here for twenty years.

все предложения в present perfect.

образование present perfect:

present perfect образуется при глагола to have/has и третьей формы смыслового глагола (past participle). третья форма правильных глаголов образуется с окончания –ed, а для неправильных нужно посмотреть в третий столбик неправильных глаголов.

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