| singular | plural |
| Infinitive | | |
| quantify | |
| present simple | | |
| 1 | I quantify | we quantify |
| 2 | you quantify | you quantify |
| 3 | he/she/it quantifies | they quantify |
| past simple | | |
| 1 | I quantified | we quantified |
| 2 | you quantified | you quantified |
| 3 | he/she/it quantified | they quantified |
| future simple | | |
| 1 | I will/shall quantify | we will/shall quantify |
| 2 | you will/shall quantify | you will/shall quantify |
| 3 | he/she/it will/shall quantify | they will/shall quantify |
| conditional simple | | |
| 1 | I would quantify | we would quantify |
| 2 | you would quantify | you would quantify |
| 3 | he/she/it would quantify | they would quantify |
| present continuous | | |
| 1 | I am quantifying | we are quantifying |
| 2 | you are quantifying | you are quantifying |
| 3 | he/she/it is quantifying | they are quantifying |
| past continuous | | |
| 1 | I was quantifying | we were quantifying |
| 2 | you were quantifying | you were quantifying |
| 3 | he/she/it was quantifying | they were quantifying |
| future continuous | | |
| 1 | I will be quantifying | we will be quantifying |
| 2 | you will be quantifying | you will be quantifying |
| 3 | he/she/it will be quantifying | they will be quantifying |
| conditional continuous | | |
| 1 | I would be quantifying | we would be quantifying |
| 2 | you would be quantifying | you would be quantifying |
| 3 | he/she/it would be quantifying | they would be quantifying |
| present perfect | | |
| 1 | I have quantified | we have quantified |
| 2 | you have quantified | you have quantified |
| 3 | he/she/it has quantified | they have quantified |
| past perfect | | |
| 1 | I had quantified | we had quantified |
| 2 | you had quantified | you had quantified |
| 3 | he/she/it had quantified | they had quantified |
| future perfect | | |
| 1 | I will have quantified | we will have quantified |
| 2 | you will have quantified | you will have quantified |
| 3 | he/she/it will have quantified | they will have quantified |
| conditional perfect | | |
| 1 | I would have quantified | we would have quantified |
| 2 | you would have quantified | you would have quantified |
| 3 | he/she/it would have quantified | they would have quantified |
