counterproductive

"The complicated instructions confused the students about the next step in the science project. "

"The strong wooden beams are staying the roof of the old house. "

"My next class is history. "

"After a long day at school, I tired easily and went straight to bed. "

"I need some help with my homework."

"The cram of books on the desk was so high, it almost toppled over. "

"High-heeled shoes may be fashionable, but they can also be a hindrance to walking."

"My grandmother used a soft felt hat for her winter walks. "

"The exam of the child's handwriting revealed several areas needing improvement. "

"My sister finished her homework, than she went to play outside. "

"The factory workers' late started at 11:00 pm. "

"I could no more climb that than fly!"