| Simple | Progressive | Perfect | Progressive |
| Present |
| I scale |
| you scale |
| he/she/it scales |
| we scale |
| you all scale |
| they scale |
|
| I am scaling |
| you are scaling |
| he/she/it is scaling |
| we are scaling |
| you all are scaling |
| they are scaling |
|
| I have scaled |
| you have scaled |
| he/she/it has scaled |
| we have scaled |
| you all have scaled |
| they have scaled |
|
| I have been scaling |
| you have been scaling |
| he/she/it has been scaling |
| we have been scaling |
| you all have been scaling |
| they have been scaling |
|
| Past |
| I scaled |
| you scaled |
| he/she/it scaled |
| we scaled |
| you all scaled |
| they scaled |
|
| I was scaling |
| you were scaling |
| he/she/it was scaling |
| we were scaling |
| you all were scaling |
| they were scaling |
|
| I had scaled |
| you had scaled |
| he/she/it had scaled |
| we had scaled |
| you all had scaled |
| they had scaled |
|
| I had been scaling |
| you had been scaling |
| he/she/it had been scaling |
| we had been scaling |
| you all had been scaling |
| they had been scaling |
|
| Future |
| I will scale |
| you will scale |
| he/she/it will scale |
| we will scale |
| you all will scale |
| they will scale |
|
| I will be scaling |
| you will be scaling |
| he/she/it will be scaling |
| we are scaling |
| you all will be scaling |
| they will be scaling |
|
| I will have scaled |
| you will have scaled |
| he/she/it will have scaled |
| we will have scaled |
| you all will have scaled |
| they will have scaled |
|
| I will have been scaling |
| you will have been scaling |
| he/she/it will have been scaling |
| we will have been scaling |
| you all will have been scaling |
| they will have been scaling |
|
