如强调由不习惯到习惯,须用get或become而不能用be。用作形容词 (adj.)~+名词used book 旧书used car 旧车,二手车used glass 用过的杯子用作形容词 (adj.)~+介词used to 习惯于常见句型:用作形容词 (adj.)用作定语~+ n.
He doesn't want a used car.他不想要旧车。It's a used book.这是一本旧书。There is a used glass on the coffee table.桌子上有一个用过的杯子。used to do sth. 过去经常做某事He used to play football but now he likes playing basketball.
他过去常常踢足球,可是现在他喜欢打篮球。Mike used to eat meat but now he likes eating vegetables.迈克过去经常吃肉,但是现在他喜欢吃蔬菜。be used to do sth. 被用来做某事