speed的过去式为sped，speed用作动词是“提速”“加速”的意思,含有“有成效”而不带有兴奋与慌乱的意味,也可指驾车者以违法的速度行驶。
speed的过去式例句
1.I was left shouting abuse as the car sped off.
汽车飞驰而去，留下我在那里大声咒骂。
2.A car sped past, raising a cloud of dust.
汽车飞驰而过, 卷起一阵尘土.
3.He sped his car through the street.
他开车飞速地穿过街道.
4.The skiers sped down the slope.
滑雪运动员飞快地向下滑去.
5.The train sped on.
火车向前奔驰.
6.The boat sped across the waves.
小船破浪疾驶.
7.The car sped away.
那辆汽车疾驰而去.
8.The ambulance sped to the hospital.
救护车快速开往医院.
9.They sped through the American southwest with the law hot on their heels.
他们飞车穿越美国西南部，警察紧追其后。
10.The limousine sped off down the road in the proverbial cloud of dust.
豪华轿车沿公路飞驰而去，那真是卷起一路风尘。