intermittent

"The photocopier can reproduce multiple copies of the homework assignment. "

"The intervals between the houses on the street were uneven, some quite large and some very small. "

"The family owns several, a small plot of land behind their house. "

"The problem with the project is that the current design flaws are already existing. "

"The teacher pointed out a particular detail in the math problem that several students missed. "

"I stopped at the traffic lights."

"Starting tomorrow, I will wake up an hour earlier to exercise. "

"to present an envoy to the king"

"The certain success of the project was a relief to the team. "

"My teacher explained the new math formula specifically for students in the advanced class. "

"The tomato plants had some kind of disease that left their leaves splotchy and fruit withered."

"The complicated instructions on the new software difficult me from completing the project on time. "