In This Quiz, Learn The Basics About Conditionals!

The correct answer is "run" because the sentence is in the conditional form, stating that if someone runs quickly, they will be able to catch the bus.

When water is frozen, it undergoes a phase change from its liquid state to a solid state. The molecules in the water slow down and arrange themselves in a regular pattern, forming a solid structure. Therefore, the correct answer is "becomes."

The correct answer is "had" because it matches the verb form with the subject "you" in the past tense. The sentence is expressing a hypothetical situation in the past, indicating that it would have been helpful if the person had their things ready to go.

If John comes to work late again, it is likely that the boss will be angry. The verb "comes" is in the present tense and matches the subject "John". This suggests that the action of coming to work late is a habitual or recurring behavior. The word "if" indicates a conditional statement, implying that the boss's anger is dependent on John's punctuality.

The correct answer is "would cry" because the phrase "if I saw a spider in my bathroom" indicates a hypothetical situation in the present. In this hypothetical situation, the speaker is imagining what they would do if they actually saw a spider in their bathroom. The use of "would" is appropriate here to express a possible action or reaction in an unreal or imagined situation.

When red and blue are mixed together, the resulting color is purple.

This sentence is a conditional sentence in the past unreal condition. It suggests that the speaker did not know about the dinner, and because of that, they did not come earlier. The correct answer, "had known," is the correct past perfect form of the verb "know" to indicate that the knowledge of the dinner should have occurred before the speaker's action of coming earlier.

The correct answer is "would have spent." This is because the sentence is in the past unreal conditional form, indicating a hypothetical situation in the past. The use of "would have" suggests that the action of spending a wonderful evening together did not actually happen, but it was a possibility if they had visited.