English verb conjugation
CAN EFFERVESCE

Regular verb: effervesce - effervesced - effervesced

Affirmation

Simple form	V-ing form
I can effervesce you can effervesce he can effervesce we can effervesce you can effervesce they can effervesce	I can be effervescing you can be effervescing he can be effervescing we can be effervescing you can be effervescing they can be effervescing
Perfect	V-ing perfect
I can have effervesced you can have effervesced he can have effervesced we can have effervesced you can have effervesced they can have effervesced	I can have been effervescing you can have been effervescing he can have been effervescing we can have been effervescing you can have been effervescing they can have been effervescing

Negation

Simple form	V-ing form
I cannot effervesce you cannot effervesce he cannot effervesce we cannot effervesce you cannot effervesce they cannot effervesce	I cannot be effervescing you cannot be effervescing he cannot be effervescing we cannot be effervescing you cannot be effervescing they cannot be effervescing
Perfect	V-ing perfect
I cannot have effervesced you cannot have effervesced he cannot have effervesced we cannot have effervesced you cannot have effervesced they cannot have effervesced	I cannot have been effervescing you cannot have been effervescing he cannot have been effervescing we cannot have been effervescing you cannot have been effervescing they cannot have been effervescing

Interrogative form

Simple form	V-ing form
can I effervesce? can you effervesce? can he effervesce? can we effervesce? can you effervesce? can they effervesce?	can I be effervescing? can you be effervescing? can he be effervescing? can we be effervescing? can you be effervescing? can they be effervescing?
Perfect	V-ing perfect
can I have effervesced? can you have effervesced? can he have effervesced? can we have effervesced? can you have effervesced? can they have effervesced?	can I have been effervescing? can you have been effervescing? can he have been effervescing? can we have been effervescing? can you have been effervescing? can they have been effervescing?

Interro-negative form

Simple form	V-ing form
can I not effervesce? can you not effervesce? can he not effervesce? can we not effervesce? can you not effervesce? can they not effervesce?	can I not be effervescing? can you not be effervescing? can he not be effervescing? can we not be effervescing? can you not be effervescing? can they not be effervescing?
Perfect	V-ing perfect
can I not have effervesced? can you not have effervesced? can he not have effervesced? can we not have effervesced? can you not have effervesced? can they not have effervesced?	can I not have been effervescing? can you not have been effervescing? can he not have been effervescing? can we not have been effervescing? can you not have been effervescing? can they not have been effervescing?