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