First, Second & Third Conditionals

Explanation
The sentence is in the future tense, indicating that the meeting will take place in the future. The phrase "plenty of time" suggests that there will be enough time for something. Therefore, the correct answer is "will have," which indicates that there will be enough time for something when the meeting takes place at 9:30.

Explanation
The given sentence is a conditional sentence, expressing a hypothetical situation. The word "if" indicates that the action of finding the milk in the fridge is dependent on Lisa looking in the fridge. The phrase "would find" is the correct form of the verb "find" in the conditional tense, indicating that if Lisa looked in the fridge, she would be able to find the milk.

Explanation
The given correct answer is "would have passed". This is because the sentence is in the past unreal condition, indicating a hypothetical situation. The speaker is talking about not studying hard enough in the past, which is why they did not pass the exam. By using "would have passed", it implies that if they had studied harder, the result would have been different, and they would have passed the exam.

Explanation
The correct answer is "spoke". In this sentence, the verb "speak" is in the past tense. The use of "spoke" indicates that the action of speaking louder occurred in the past. This is supported by the use of the word "would" which suggests a hypothetical situation. Therefore, if the person spoke louder in the past, their classmates would have understood them.

Explanation
Driving slowly is generally considered safer than driving fast. By choosing to drive slowly, Dan would be reducing the risk of accidents and increasing his chances of arriving safely at his destination.

Explanation
The correct answer is "would have had". This is the correct answer because the sentence is in the conditional past perfect tense. It is expressing a hypothetical situation in the past, stating that if the person had done their homework, they would not have had any trouble at school. The correct form in this case is "would have had", which is the past perfect form of "have".

Explanation
The given sentence is in the future tense and expresses a possibility or prediction. The word "will" is used to indicate future tense, and "be" is the correct form of the verb "to be" for the subject "we". Therefore, the correct answer is "will be".

Explanation
The correct answer is "rains" because the sentence is in the conditional form "if...then." In this case, the condition is the possibility of rain. So, if it rains, she will take a taxi.

Explanation
The correct answer is "were." This is because the sentence is in the subjunctive mood, indicating a hypothetical or unreal situation. In this case, the speaker is expressing a hypothetical condition, stating that if they were in the other person's position, they would get a new job. The verb "be" is conjugated as "were" in the subjunctive mood for all persons.

Explanation
The correct answer is "had been." This is because the sentence is in the past unreal conditional form, indicating a hypothetical situation. The use of "had been" in the conditional clause suggests that the speaker was not actually born in a different country, but is imagining a different outcome.

Explanation
The correct answer is "does not go" because it is the correct negative form of the verb "to go" in the present tense. The sentence is expressing a conditional statement, stating that if she does not go to the party, the speaker will be upset. The use of "does not go" indicates the possibility of her not attending the party, which would result in the speaker's disappointment.

Explanation
The given sentence is a conditional sentence expressing a hypothetical situation. The use of "if" indicates that the action of selling the house is a condition for having a lot of money. The verb "sold" is the correct answer as it is the past tense form of "sell" and matches the verb tense of the sentence. It correctly completes the sentence and expresses the desired outcome of having a lot of money.

Explanation
The correct answer is "drives" because it is the correct form of the verb to match the subject "Sam." The sentence is in the present tense, so the verb needs to be in the present tense as well. Additionally, the use of "will have" indicates a future consequence, so the verb "drives" is the appropriate choice.

Explanation
The correct answer is "had not been." This is because the sentence is in the past unreal conditional form, indicating a hypothetical situation in the past. The phrase "if there had not been" is used to express that the condition of there being many sharks in the sea did not occur, which would have allowed us to swim in the sea.

Explanation
The correct answer is "were" because it is the correct subjunctive form of the verb "to be" in the past tense. The sentence is expressing a hypothetical situation where the person's height is being imagined as taller than it actually is. In this case, the subjunctive form "were" is used instead of "was" to indicate that it is not a statement of fact but a hypothetical condition.

Explanation
If we do not hurry, we will be late. This implies that hurrying is necessary in order to arrive on time. Therefore, if we choose not to hurry, it is likely that we will not reach our destination within the expected time frame, resulting in being late.

Explanation
The given correct answer is "had not started." This is because the sentence is in the past unreal conditional form, indicating a hypothetical situation in the past. The verb "had not started" is the correct form to use in this context to indicate that if the rain had not begun, the action of walking to the museum would have taken place.

Explanation
The correct answer is "knew". The sentence is in the second conditional form, expressing a hypothetical situation. The verb "knew" is used to indicate the past tense of "know" in this conditional statement. It suggests that if the speaker had knowledge of the person's name, they would share it.

Explanation
The correct answer is "had had." This is because the sentence is in the past unreal conditional form, indicating a hypothetical situation in the past. The first "had" is the past perfect tense, indicating an action that occurred before another past action. The second "had" is the past perfect tense used as a subjunctive mood, indicating a hypothetical action that did not actually happen. Therefore, "had had" is the correct form to express the conditional statement in the past.

Explanation
The correct answer is "were not". This is because the sentence is in the subjunctive mood, expressing a hypothetical or unreal condition. In this case, the speaker is imagining a scenario where they are not friends with the person, and as a result, they would be angry with them.