| Present. | Perfect. | ||
| (To) be praising. | (To) have been praising, | ||
| Having been praising. | |||
PARTICIPLES.
| Present or Imperfect. | Perfect or Present Perfect. | |
| Praising. | Having been praising. | |
EXERCISE I.
Fully conjugate the verb freeze in both voices.
EXERCISE II.
Write out the progressive forms of the verb sing.