Many people_____(swim)in the river.

Many people_____(swim)in the river. Many boys___(swim)in the river now There are many boys_____(swim) in the river now.适当 ______ many times,none of the boys dared swim in that river The litter boy can swim (swim swims )in the river Look!They___(swim)in the river Let them not swim in the river let's (swim) in the river They (swim;are swimming)in the river Are they---------(swim)in the river now? Can you swim in the river what about swim in the river?