Question

which sentence is in the past tense? mr. leonard is a kind and understanding man. the author wrote a story about a bull. mom will open the jar of jelly.

Explanation:

To determine the past - tense sentence, we analyze the verb tenses:

• In the sentence "Mr. Leonard is a kind and understanding man", the verb "is" is in the present tense, which is used to describe a general, current characteristic.
• In the sentence "The author wrote a story about a bull", the verb "wrote" is the past - tense form of "write", indicating an action that has already happened.
• In the sentence "Mom will open the jar of jelly", the verb phrase "will open" is in the future tense, showing an action that is going to happen later.

Answer:

The author wrote a story about a bull.