seen

"I explained it, but it is pure conjecture whether he understood, or not."

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

"It was an experience he would not soon forget."

"The science teacher conducted an experiment to demonstrate how plants grow in different types of soil. "

"My sister is very helpful, especially when it comes to organizing things. "

"The increased sales of organic vegetables this year are witnessing a growing consumer interest in healthy eating. "

"Scientists study plants to understand how they grow. "

"The library offered an extension on the due date for the overdue books. "

"The verbs in sentences like "Do it!" and "Say what you like!" are in the imperative."

"The gardener used fertilizer to help the flowers in the garden grow bigger and stronger. "

"After years of hard work, Maria's graduation from university was a joyful celebration. "

"The school offered an alternative schedule for students who needed more time to study. "