All questions of Tenses for Class 1 Exam

Explanation:

Subject-Verb Agreement:
- In this sentence, the subject 'half the drain' is singular, so the verb should also be singular to maintain subject-verb agreement.
- The correct verb form to use with a singular subject is 'has', making the sentence "More than half the drain has been desilted."

Correct Answer Justification:
- The correct answer is option 'D' because 'has' is the appropriate verb form to use with the singular subject 'half the drain'.
- Using 'have', 'is', or 'was' would create subject-verb agreement errors in the sentence.
- Therefore, option 'D' is the most suitable choice to complete the sentence accurately.

Understanding the Correct Tense
In the sentence "He ______ very little when there are strangers present," the correct answer is option 'D': "always speaks." Here’s why:
1. Present Simple Tense
- The present simple tense is used to express habits, routines, or general truths.
- In this context, "always speaks" indicates a consistent behavior that occurs regularly when strangers are around.
2. Analyzing the Other Options
- a) had always spoken: This is the past perfect tense, which indicates an action completed before another past action. It doesn’t fit since the context is about a current habit.
- b) was always speaking: This is the past continuous tense, which describes an action that was ongoing in the past. It does not reflect a current, habitual action.
- c) is always speaking: This present continuous tense suggests an ongoing action right now, which does not convey the habitual nature of speaking little when strangers are present.
3. Why 'Always Speaks' is Correct
- "Always speaks" effectively communicates that this is a normal behavior of the subject.
- It captures the idea that this action is repetitive and characteristic of his behavior in the presence of strangers.
Conclusion
Using "always speaks" accurately reflects the habitual nature of the action, making it the correct choice for this sentence. This is essential for conveying the intended meaning effectively.

Explanation:

The correct answer is option B) "had been waiting."

In this sentence, the phrase "for forty minutes" indicates a past duration of time, and it is clear that the waiting happened before the speaker's name was announced. This suggests that the waiting started in the past and continued up until a specific point in the past.

To express this idea, we use the past perfect continuous tense, which is formed with the auxiliary verb "had been" followed by the present participle form of the main verb (in this case, "waiting").

Here's the breakdown of the sentence:

- "I" - This refers to the speaker, who is the subject of the sentence.
- "had been waiting" - This is the verb phrase that describes the action of waiting. The past perfect continuous tense is used to indicate that the waiting started in the past and continued until a specific point in the past.
- "for forty minutes" - This prepositional phrase indicates the duration of time that the speaker had been waiting.

Example:

Let's consider an example to further illustrate the use of the past perfect continuous tense in this context:

- I had been waiting for forty minutes to see the doctor before my name was announced. During that time, I grew increasingly impatient and frustrated.

In this example, the speaker emphasizes the duration of the waiting by using the past perfect continuous tense. The waiting started in the past and continued up until the point when the speaker's name was announced. The use of this tense helps convey the speaker's experience and frustration during the waiting period.

The correct answer is option 'D' - appears.

Explanation:
When choosing the correct tense of a verb, we need to consider the context of the sentence and the time frame in which the action is happening. In this case, the sentence states that "This journal ______ twice a month."

The verb "appears" is the correct choice because it is in the present tense and matches the subject "this journal." The present tense is used to describe actions that are happening now or regular actions that happen repeatedly.

Example:
- This journal appears twice a month. (present tense)

Other options:
- Option 'A' - is appearing: This tense is the present continuous tense and is used to describe actions that are happening at the moment of speaking. It does not fit the context of the sentence because the sentence is talking about a regular occurrence, not a current action.

- Option 'B' - appeared: This tense is the simple past tense and is used to describe actions that happened in the past. It does not fit the context of the sentence because the sentence is talking about something that occurs regularly, not a one-time event in the past.

- Option 'C' - had appeared: This tense is the past perfect tense and is used to describe an action that happened before another action in the past. It does not fit the context of the sentence because there is no indication of a past action that would require the use of the past perfect tense.

Therefore, the correct tense of the verb in this sentence is "appears."

- **Explanation:**

- **Subject-Verb Agreement:**
The correct answer is option 'B' - "have been collected". This is because the subject "paintings" is plural, so the verb should also be plural. In this case, the verb "have been collected" agrees with the plural subject "paintings".

- **Present Perfect Tense:**
The use of "have been collected" indicates that the action of collecting the paintings started in the past and continues up to the present. This is appropriate in the context of the sentence which mentions that the paintings were collected over the last 100 years.

- **Passive Voice:**
The sentence uses the passive voice to emphasize the action of collecting the paintings rather than the doer of the action. This is why "have been collected" is used instead of "have collected".

- **Corrected Sentence:**
The corrected sentence would be: "The gallery has over 1,000 paintings. These have been collected during the last 100 years."

To solve this question, we need to select the word that will correctly fill in the blank in the given sentence.
The sentence is: "If you are focused, you can _____ your goals."
To determine the correct word, we need to consider the subject-verb agreement and the tense of the sentence.
Let's analyze the options:
A: achieve - This is the correct answer. It is in the base form of the verb and agrees with the subject "you".
B: achieves - This option is incorrect because it is in the third-person singular form of the verb, which does not agree with the subject "you".
C: achieved - This option is incorrect because it is in the past tense form of the verb, which does not match the present tense of the sentence.
D: achieving - This option is incorrect because it is in the present participle form of the verb, which does not fit grammatically in the sentence.
Therefore, the correct answer is option A: achieve.