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Grammar perfect continuous tenses (active voice)

I. The Use of Perfect Continuous Tenses.

  • The Present Perfect Continuous is used to express an action which began in the past, has been going on up to the present and is either still continuing or just finished.

e.g. His father has been working Його батько працює на

at this plant for twenty years. цьому заводі двадцять років.

She has been teaching physics Вона викладає фізику в

at our school since 1990. нашій школі з 1990 року.

How long (since when) have you been Скільки часу (з якого learning English? часу) ви вивчаєте

англійську мову?

! If the verb has no continuous form, the Present Perfect is used instead of the Present Perfect Continuous.

e.g. How long have you known her? Скільки часу ви знаєте її?

You haven’t seen me for years. Ви не бачили мене багато років.

  • The Past Perfect Continuous is used to express an action which began before a definite moment in the past, continued up to it and was or was not going on at that past moment.

e.g. When I came to work at the Institute she had been teaching there for 10 years already.

I was very tired when I arrived home. I had been working hard all day long.

Коли я прийшла працювати до інституту, вона викладала там вже 10 років

Я був дуже втомлений, коли приїхав додому Я працював увесь день..

! If the verb has no continuous form, the Past Perfect is used instead of the Past Perfect Continuous.

  • The Future Perfect Continuous is used to express an action which will begin before a definite moment in the future, will continue up to that moment and will be going on at that moment.

e.g. We shall have been working at this problem for a month when you visit us a second time.

Ми вже місяць працюватимемо над цією проблемою, коли ви приїдете до нас вдруге.

II. The Formation of Perfect Continuous Tenses.

The Perfect Continuous Tenses are formed by means of the auxiliary verb to have in the Present, Past or Future Perfect Tense and Participle I of the main verb.

Present Perfect Continuous

Past Perfect Continuous

Future Perfect Continuous

since 1980, for ten years, for a long time, for years, all day, all my life …

for some time, for an hour, since 3 o’clock, when he came …

for 5 years, by this time, by the end of the year …

+

S have / has been Ving

S had been Ving

S shall /will have been Ving

Nick has been writing his exercises for two hours already.

The class had been discussing the article for some time when Henry came in.

I will have been living in Rome for three years next May.

-

S haven’t/hasn’t been Ving

S hadn’t been Ving

S shan’t / won’t have been Ving

Jane hasn’t been working very well recently.

They hadn’t been waiting even 15 minutes when he came.

I shall not have been working at this problem even for half a month by your next visit.

?

Have/Has S been Ving?

Had S been Ving…?

Shall/Will S have been Ving …?

Have you been writing this book all these years?

For how long had the children been playing on the computer when father arrived?

For how long will you have been working on this project when the director arrives again?