always

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

"The park is very crowded at lunchtime because many office workers eat there. "

"My brother regularly takes the bus to school. "

"There is still time to oppose this plan."

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"My brother constantly helps his younger sister with her homework, demonstrating his steadfast loyalty and support. "

"Airplanes fly people across countries for vacations and business trips. "

"The teacher explained the lesson thoroughly throughout the entire class period. "

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

"My sister occasionally helps me with my homework. "

"We have to get people out of their cars and encourage them to use alternative forms of transportation."

"The beginning of the school year is always exciting. "