Class 8 Exam > Class 8 Notes > BBC Compacta Solution For Class 8 > Classroom Assignment: 57
Classroom Assignment: 57 | BBC Compacta Solution For Class 8 PDF Download
(A) Rewrite the following sentences by using the verbs in the brackets in the Present Perfect Continuous Tense or Present Perfect Tense.
Ans 1. "How long have you been watching TV?"
"For three hours."
"How many programmes have you watched?"
Ans 2. The boys have played four games so far.
They have been playing tennis since
9 o'clock in the morning.
Ans 3. I have been driving continuously since 4 o'clock.
I have never driven so long at a stretch before.
Ans 4. What have you been doing all this while?
I have been mending the car.
Have you finished or not?
Yes. I have just got it ready for the race.
Ans 5. I have been doing mathematics for three hours now.
I have finished all the exercises.
Ans 6. I have been listening to music for six hours now.
I have finally understood the difference between jazz and rock.
Ans 7. Why have you been crying all this while?
I have been missing my family.
(B) Tick (✓) the sentences which are grammatically correct and cross (x) the ones which are not. Then rewrite the incorrect ones correctly.
Ans 1. (x) I have been learning the guitar for 6 weeks now.
Ans 2. (x) I have been waiting for her since morning.
Ans 3. (x) How long have you been standing here?
Ans 4. ✓
Ans 5. (x) What has he been doing since 9 o'clock?
Ans 6. (x) I'm sorry. I'm late. Have you been waiting for long?
Ans 7. ✓
Ans 8. (x) I have been waiting here for a long time.
Ans 9. (x) Why do you worry so much about your mother?
Ans 10. (x) Stop her. She has been eating chocolates since morning.
(C) Read the following sentences carefully and write a new sentence using the hints given in italics.
Ans 1. (b) He has been writing for more than 60 years.
Ans 2. (b) He has been directing films for three decades.
Ans 3. (b) They have been photographing tigers in the wild for ten years.
Ans 4. (b) He has been contesting elections for forty years.
Ans 5. (b) She has been playing tennis since childhood.
Ans 6. (b) He has been practicing sitar for the last twenty years
Ans 7. (b) She has been actively involved with young students for many years.
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FAQs on Classroom Assignment: 57 - BBC Compacta Solution For Class 8
| 1. What is the difference between the Present Perfect tense and the Present Perfect Continuous tense? |  |
Ans.The Present Perfect tense is used to indicate that an action has been completed at some point in the past and is relevant to the present. It often emphasizes the result of the action. For example, "I have finished my homework." In contrast, the Present Perfect Continuous tense focuses on the duration or ongoing nature of an action that started in the past and continues into the present. For example, "I have been studying for two hours." This tense emphasizes the ongoing activity rather than its completion.
| 2. How do you form the Present Perfect and Present Perfect Continuous tenses? | |
Ans.The Present Perfect tense is formed using the auxiliary verb "have" or "has" followed by the past participle of the main verb. For example, "She has visited Paris." The Present Perfect Continuous tense is formed using "have" or "has" followed by "been" and the present participle (-ing form) of the main verb. For example, "They have been playing soccer."
| 3. When should I use the Present Perfect tense instead of the simple past tense? | |
Ans.The Present Perfect tense is used when the exact time of the action is not important or not specified, and when the action has relevance to the present moment. For instance, "I have eaten lunch" suggests that lunch is relevant now. In contrast, the simple past tense is used for actions that were completed at a specific time in the past, such as "I ate lunch at noon."
| 4. Can you provide examples of common time expressions used with the Present Perfect and Present Perfect Continuous tenses? | |
Ans.Common time expressions used with the Present Perfect tense include "ever," "never," "just," "already," "yet," and "for" or "since." For example, "I have never been to Japan." In the Present Perfect Continuous tense, expressions such as "for" and "since" are also used, such as in "I have been waiting for you for an hour." These expressions help indicate the duration of the action.
| 5. What are some common mistakes students make when using the Present Perfect and Present Perfect Continuous tenses? | |
Ans.Common mistakes include using the Present Perfect tense with specific time expressions like "yesterday" or "last week," which should be used with the simple past tense instead. For example, saying "I have seen that movie yesterday" is incorrect; it should be "I saw that movie yesterday." Another mistake is using the Present Perfect Continuous tense when the action is complete and not ongoing, such as saying "I have been finished my project," instead of "I have finished my project."
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