3.     lie/lay

lie    用法：

                a 躺；位於 → lie-lay-lain-lying

                  E.g.: You had lain in bed for one week.

                  (你已經在床上躺了 一個星期了。)

                b 說謊     → lie-lied-lied-lying

                  E.g.: You are lying me. (你在騙我。)

 lay   用法： 放置；下蛋 → lay-laid-laid-laying

                  E.g.: These hens lay eggs every day. (這些雞每天下蛋。)