mentioning

"You must do your homework before you can watch television."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"In the sentence "The dog is barking," the referent of the word "dog" is the actual, specific dog that is barking at that moment. "

"My daughter's teacher is very kind and helpful. "

"There is still time to oppose this plan."

"The teacher's explanation had a clear reference to the textbook. "

"The weather forecast for today predicts rain and strong winds, so I should bring an umbrella to school. "

"This flow chart represents the assignment of tasks in our committee."

"My sister's joyful expression showed how happy she was about the good news. "

"The door closed by itself"

"The teacher gave a good example of a sentence using the past tense. "

"The school is located just outside the town, without the main shopping area. "