Open the brackets and pat the verbs into the proper tense, either the present continuous or the present perfect continuous tense. 1. don't come in, he (take) an exam. he (take) his exam for half an hour already. 2, where are the children? — they (play volleyball). they (play volleyball) since t\\o o'clock, 3. 1 (learn) to type for a month and can say that my typing (improve). 4. nick (come) round to see as tonight. 5* he (stay) at his sister's for six weeks» he (try) to find somewhere to live. 6. we can't dance as my father (work) in the study. he (prepare) a report. he (v rite) it for the whole day. 7. do you see what the child (do) with your hat? тakе it from him. 8. they still (discuss) the article? but they (do) it since twelve o'clock! 9. the prices (go up)o they (rise) since 1991, 10. what a strong wind (blow)! it (blow) since yesterday.
2. are playing / have been playing;
3. have been learning / is improving;
4. is coming;
5. has been staying / is trying;
6. is working / is preparing / has been writing;
7. is doing;
8. Are they still discussing? / have been discussing
9. are going up / have been rising
10. is blowing / has been blowing
Present Continuous (am/is/are глагол+ing) используется для выражения действия, которое происходит в данный момент, или для запланированных действий (например, в №4).
Present Perfect Continuous (have/has been глагол+ing) используется для выражения действия, которое началось в и продолжается до настоящего момента, т.е. еще не закончилось).