Explanation: In this sentence, the past tense form of the verb "to see" is used because the action of seeing the fountains happened in the past. The verb "enjoy" is also in the past tense to show that the enjoyment of the fountains happened after the action of seeing them.
If they saw the fountains, they enjoyed them.
Explanation: In this sentence, the past tense form of the verb "to see" is used because the action of seeing the fountains happened in the past. The verb "enjoy" is also in the past tense to show that the enjoyment of the fountains happened after the action of seeing them.