一、先说lie，不及物动词。
1.lie—lied—lied 说谎
2.lie—lay—lain躺下，存在，位于
He lied about his age.
他在年龄上撒了谎。
I find it impossible to lie to her.
我觉得无法对她撒谎。
She bridled at the suggestion that she was lying.
她对暗示她在说谎的言论嗤之以鼻。
She was lying on the beach.她躺在沙滩上。
She lay back and enjoyed the peace of the summer evening.
她轻松地躺着享受夏日傍晚的宁静。
She had lain there all night.她整晚都躺在那里。
The book lay open on his desk.
那本书摊开放在他的书桌上。
I lay on the floor with my legs in the air.
我躺在地上，双腿抬起。
These machines have lain idle since the factory closed.
工厂关闭以来，这些机器就一直闲置着。
二、lay 及物动词
lay—laid—laid下蛋，放置
My canary has laid an egg.
我的金丝雀生了一个蛋。
They had laid on a huge spread for the party.
他们为聚会安排了丰盛的食物。
She laid the baby down gently on the bed.
她把婴儿轻轻地放在床上。
They laid him on the floor.他们把他放在地上。
Before they started they laid newspaper on the floor.
他们开始前在地板上铺了报纸。