underpinned

"Her confidence in her ability to speak French helped her to participate more in class discussions. "

"I hope that we shall win the game."

"Our school's student council is a form of democracy, allowing students to elect representatives to make decisions about school events. "

"The politicians debated the new law in the city council meeting. "

"Members of the public may not proceed beyond this point."

"He studied masonry for five years."

"The bridge's sturdy support beams prevented the structure from collapsing. "

"The teacher furthered the students' understanding of fractions by providing extra examples. "

"The witness's statement corroborated the victim's account of the incident. "

"I brush my teeth regularly to prevent them from turning yellow."

"She suffered a terrible collapse after slipping on the wet floor."

"You should underpin the mine roof to prevent further collapse."