answer可變形式有哪些

可變形式有現在分詞是answering，過去式是answered，過去分詞是answered，第三人稱單數answers，例如：

1、Users advance through the program by answering a series of questions.用户通過回答一系列問題，逐步完成整個程序。

2、The test will involve answering questions about a photograph.考試將包括回答一些關於一張照片的問題。

3、I called several times， but only got the answering machine.我打了幾次電話，但只有電話答錄機答話。