English Grammar - Perfect And Perfect Progressive Tenses

1. My mother had cleaned the whole house before I arrived home.

The house was already clean when I arrived home.

The house was not yet clean when I arrived home.

The correct answer is "The house was already clean when I arrived home." This is because the sentence "My mother had cleaned the whole house before I arrived home" indicates that the action of cleaning the house was completed before the speaker arrived home. Therefore, the house was already clean when the speaker arrived.

Explanation

The correct answer is "The house was already clean when I arrived home." This is because the sentence "My mother had cleaned the whole house before I arrived home" indicates that the action of cleaning the house was completed before the speaker arrived home. Therefore, the house was already clean when the speaker arrived.

2. He was watching TV when his friend arrived.

First he was watching TV. Then his friend arrived.

First his friend arrived. Then he watched TV.

The correct answer is "First he was watching TV. Then his friend arrived." because the sentence clearly states that he was already watching TV when his friend arrived, indicating that the action of watching TV occurred before the arrival of his friend.

Explanation

The correct answer is "First he was watching TV. Then his friend arrived." because the sentence clearly states that he was already watching TV when his friend arrived, indicating that the action of watching TV occurred before the arrival of his friend.

3. He's already done his homework.

He's still doing his homework.

He's finished his homework.

The correct answer is "He's finished his homework." This answer indicates that the person has completed their homework and is no longer working on it. The other option, "He's still doing his homework," suggests that the person is currently in the process of doing their homework, which contradicts the given statement.

Explanation

The correct answer is "He's finished his homework." This answer indicates that the person has completed their homework and is no longer working on it. The other option, "He's still doing his homework," suggests that the person is currently in the process of doing their homework, which contradicts the given statement.

4. At the beginning of next quarter, I'll start level 5

I'll start level 5 before next quarter begins.

I'll start level 5 when next quarter begins.

The correct answer is "I'll start level 5 when next quarter begins." This answer accurately reflects the given statement that the person will start level 5 at the beginning of the next quarter. It uses the word "when" to indicate that the action will occur simultaneously with the start of the next quarter.

Explanation

The correct answer is "I'll start level 5 when next quarter begins." This answer accurately reflects the given statement that the person will start level 5 at the beginning of the next quarter. It uses the word "when" to indicate that the action will occur simultaneously with the start of the next quarter.

5. I've been studying English grammar all night.

I'm still studying.

I studied until a little while ago.

The correct answer is "I'm still studying" because the person states that they have been studying all night, indicating that they are currently engaged in studying. The other options suggest that they have stopped studying either a little while ago or have already finished studying, which contradicts the initial statement.

Explanation

The correct answer is "I'm still studying" because the person states that they have been studying all night, indicating that they are currently engaged in studying. The other options suggest that they have stopped studying either a little while ago or have already finished studying, which contradicts the initial statement.

6. He watched TV when his friend arrived.

First he was watching TV. Then his friend arrived.

First his friend arrived. Then he watched TV.

The correct answer is "First his friend arrived. Then he watched TV." This answer accurately describes the sequence of events in the sentence. It states that his friend arrived before he started watching TV, indicating the correct order of actions.

Explanation

The correct answer is "First his friend arrived. Then he watched TV." This answer accurately describes the sequence of events in the sentence. It states that his friend arrived before he started watching TV, indicating the correct order of actions.

7. By October, I will have started level 5.

I'll start level 5 before October.

I'll start level 5 in October.

The given correct answer is "I'll start level 5 before October." This answer is correct because the original statement states that by October, the person will have already started level 5. Therefore, it implies that the person will start level 5 before October. The other option, "I'll start level 5 in October," contradicts the original statement as it suggests that the person will start level 5 during October, not before it.

Explanation

The given correct answer is "I'll start level 5 before October." This answer is correct because the original statement states that by October, the person will have already started level 5. Therefore, it implies that the person will start level 5 before October. The other option, "I'll start level 5 in October," contradicts the original statement as it suggests that the person will start level 5 during October, not before it.