| 单数 | 复数 |
| 动词不定式 | | |
| protect | |
| present simple | | |
| 一般现在时 | | |
| 1 | I protect | we protect |
| 2 | you protect | you protect |
| 3 | he/she/it protects | they protect |
| past simple | | |
| protect的过去式 | | |
| 1 | I protected | we protected |
| 2 | you protected | you protected |
| 3 | he/she/it protected | they protected |
| future simple | | |
| 一般将来时 | | |
| 1 | I will/shall protect | we will/shall protect |
| 2 | you will/shall protect | you will/shall protect |
| 3 | he/she/it will/shall protect | they will/shall protect |
| conditional simple | | |
| 一般将来过去时 | | |
| 1 | I would protect | we would protect |
| 2 | you would protect | you would protect |
| 3 | he/she/it would protect | they would protect |
| present continuous | | |
| 现在进行时 | | |
| 1 | I am protecting | we are protecting |
| 2 | you are protecting | you are protecting |
| 3 | he/she/it is protecting | they are protecting |
| past continuous | | |
| 过去进行时 | | |
| 1 | I was protecting | we were protecting |
| 2 | you were protecting | you were protecting |
| 3 | he/she/it was protecting | they were protecting |
| future continuous | | |
| 将来进行时 | | |
| 1 | I will be protecting | we will be protecting |
| 2 | you will be protecting | you will be protecting |
| 3 | he/she/it will be protecting | they will be protecting |
| conditional continuous | | |
| 将来过去进行时 | | |
| 1 | I would be protecting | we would be protecting |
| 2 | you would be protecting | you would be protecting |
| 3 | he/she/it would be protecting | they would be protecting |
| present perfect | | |
| 现在完成时 | | |
| 1 | I have protected | we have protected |
| 2 | you have protected | you have protected |
| 3 | he/she/it has protected | they have protected |
| past perfect | | |
| 过去完成时 | | |
| 1 | I had protected | we had protected |
| 2 | you had protected | you had protected |
| 3 | he/she/it had protected | they had protected |
| future perfect | | |
| 将来完成时 | | |
| 1 | I will have protected | we will have protected |
| 2 | you will have protected | you will have protected |
| 3 | he/she/it will have protected | they will have protected |
| conditional perfect | | |
| 将来过去完成时 | | |
| 1 | I would have protected | we would have protected |
| 2 | you would have protected | you would have protected |
| 3 | he/she/it would have protected | they would have protected |
