放置/产卵：lay-laid-laid——laying
说谎：lie-lied-lied——lying
躺下：lie-lay-lain——lying
例句：
1.放置/产卵
①He laid his shoulder on my shoulder. 他把手放在我的肩上。
②Don't lay the glass on the corner of the table.别把玻璃杯放在台角上。
③Mother laid the baby gently on the bed.母亲把婴儿轻轻放在床上。
④John laid the table. 约翰摆好餐具。
⑤The hen is laying an egg. 母鸡在下蛋。
2.说谎
①He wasn't telling the truth. He lied again/He was lying.他没讲实话，他又撒谎了。/他在撒谎。
②She lied to us about her job. 她就她的工作对我们撒了谎。
③Your watch must be lying. 你的表肯定不准。
3.躺下
①He's still lying in bed. 他还躺在床上。
②He felt tired, so he went and lay down for a rest.他感到疲劳，所以去躺下休息了。