pushed

"After the field trip, only a few students remained in the classroom. "

"He discovered penicillin largely accidentally."

"Maria visited her obstetrician regularly throughout her pregnancy to ensure a healthy delivery. "

"The gardener transplanted the small tomato plant from the pot to the garden. "

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

"Before electronic calculators, large organizations employed many computers who calculated numbers for tables and charts by hand. "

"The radio station is transmitting music all day. "

"Companies try to sell their products using advertisements in form of placards, television spots and print publications."

"He threatened me with a knife."

"After a long labor, the new mother recovered quickly from childbirth. "

"The rain fell continually throughout the afternoon. "

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