1. Nam rides his bike to school everyday > Nam's bike is ridden to school ( by Nam ) everyday . [ thì hiện tại đơn ]
2 . they did the test well last week > the test was done well last week. [ thì quá khứ đơn]
3 the people cut the trees down > the trees are cut down. [ thì hiện tại đơn ]
4 Nga can repair the electric bike well > the electric bike is repaired well by Nga [ thì hiện tại đơn ]
xin hay nhất nhé!!!