I can ingest you can ingest she can ingest we can ingest you can ingest they can ingest
V-ing form
I can be ingesting you can be ingesting she can be ingesting we can be ingesting you can be ingesting they can be ingesting
Perfect
I can have ingested you can have ingested she can have ingested we can have ingested you can have ingested they can have ingested
V-ing perfect
I can have been ingesting you can have been ingesting she can have been ingesting we can have been ingesting you can have been ingesting they can have been ingesting
Negation
Simple form
I cannot ingest you cannot ingest she cannot ingest we cannot ingest you cannot ingest they cannot ingest
V-ing form
I cannot be ingesting you cannot be ingesting she cannot be ingesting we cannot be ingesting you cannot be ingesting they cannot be ingesting
Perfect
I cannot have ingested you cannot have ingested she cannot have ingested we cannot have ingested you cannot have ingested they cannot have ingested
V-ing perfect
I cannot have been ingesting you cannot have been ingesting she cannot have been ingesting we cannot have been ingesting you cannot have been ingesting they cannot have been ingesting
Interrogative form
Simple form
can I ingest? can you ingest? can she ingest? can we ingest? can you ingest? can they ingest?
V-ing form
can I be ingesting? can you be ingesting? can she be ingesting? can we be ingesting? can you be ingesting? can they be ingesting?
Perfect
can I have ingested? can you have ingested? can she have ingested? can we have ingested? can you have ingested? can they have ingested?
V-ing perfect
can I have been ingesting? can you have been ingesting? can she have been ingesting? can we have been ingesting? can you have been ingesting? can they have been ingesting?
Interro-negative form
Simple form
can I not ingest? can you not ingest? can she not ingest? can we not ingest? can you not ingest? can they not ingest?
V-ing form
can I not be ingesting? can you not be ingesting? can she not be ingesting? can we not be ingesting? can you not be ingesting? can they not be ingesting?
Perfect
can I not have ingested? can you not have ingested? can she not have ingested? can we not have ingested? can you not have ingested? can they not have ingested?
V-ing perfect
can I not have been ingesting? can you not have been ingesting? can she not have been ingesting? can we not have been ingesting? can you not have been ingesting? can they not have been ingesting?