В Present Perfect Continuous заперечення утворюється за допомогою заперечної частки not, що ставиться після have або ж has та перед been.. I have not been watching this trick all this time. - Я не дивилася на цей трюк (фокус) весь цей час.

Present perfect simple or present perfect continuous? - English Grammar Today - uma referência à Gramática e uso do inglês escrito e falado - Cambridge Dictionary
Present Perfect Continuous . I have been waiting; you have been waiting; he, she has been waiting; we have been waiting; you have been waiting; they have been waiting
Also called the present perfect progressive. Read about how to make the present perfect continuous tense here. Download this explanation in PDF here. 1: To say how long for unfinished actions which started in the past and continue to the present. We often use this with 'for' and 'since' (see the the present perfect simple page for more about Verb Tense Exercise 14 Present Perfect, Past Perfect, Present Perfect Continuous, and Past Perfect Continuous . f t p. Using the words in parentheses, complete the text below with the appropriate tenses, then click the "Check" button to check your answers. It is already 9:30 PM and I (wait) here for over an hour. If John does not get here
waiting waited definition in Spanish in French in Italian Indicative Perfect tenses Continuous (progressive) and emphatic tenses Compound continuous (progressive) tenses Conditional Imperative Subjunctive *Blue letters in conjugations are irregular forms. ( example) *Red letters in conjugations are exceptions to the model. ( example)
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present perfect continuous tense of wait