用作定语
▲～+n.
That area is full of rampant lawlessness.那个地区充斥着犯罪事件。
Rampant ivy has covered the wall.密密的常春藤遮住了这面墙。
用作表语
▲S+be+～
Sickness was rampant in the rural areas of this country.这个国家的农村地区疾病流行。
Flowers are rampant in the garden.公园中鲜花繁茂。
用作宾语补足语
▲S+V+O+～
Rich soil makes some plants too rampant.肥沃的土壤使一些植物生长过茂。