can ingest
Regular verb: ingest - ingested- ingested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ingest
you can ingest
she can ingest
we can ingest
you can ingest
they can ingest 	I can be ingesting
you can be ingesting
she can be ingesting
we can be ingesting
you can be ingesting
they can be ingesting	I can have ingested
you can have ingested
she can have ingested
we can have ingested
you can have ingested
they can have ingested	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't ingest
you can't ingest
she can't ingest
we can't ingest
you can't ingest
they can't ingest 	I can't be ingesting
you can't be ingesting
she can't be ingesting
we can't be ingesting
you can't be ingesting
they can't be ingesting	I can't have ingested
you can't have ingested
she can't have ingested
we can't have ingested
you can't have ingested
they can't have ingested	I can't have been ingesting
you can't have been ingesting
she can't have been ingesting
we can't have been ingesting
you can't have been ingesting
they can't have been ingesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ingest?
can you ingest?
can she ingest?
can we ingest?
can you ingest?
can they ingest? 	can I be ingesting?
can you be ingesting?
can she be ingesting?
can we be ingesting?
can you be ingesting?
can they be ingesting? 	can I have ingested?
can you have ingested?
can she have ingested?
can we have ingested?
can you have ingested?
can they have ingested? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I ingest?
can't you ingest?
can't she ingest?
can't we ingest?
can't you ingest?
can't they ingest? 	can't I be ingesting?
can't you be ingesting?
can't she be ingesting?
can't we be ingesting?
can't you be ingesting?
can't they be ingesting? 	can't I have ingested?
can't you have ingested?
can't she have ingested?
can't we have ingested?
can't you have ingested?
can't they have ingested? 	can't I have been ingesting?
can't you have been ingesting?
can't she have been ingesting?
can't we have been ingesting?
can't you have been ingesting?
can't they have been ingesting?