can ingest
Regular verb: ingest - ingested- ingested

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