I could familiarize you could familiarize she could familiarize we could familiarize you could familiarize they could familiarize
V-ing form
I could be familiarizing you could be familiarizing she could be familiarizing we could be familiarizing you could be familiarizing they could be familiarizing
Perfect
I could have familiarized you could have familiarized she could have familiarized we could have familiarized you could have familiarized they could have familiarized
V-ing perfect
I could have been familiarizing you could have been familiarizing she could have been familiarizing we could have been familiarizing you could have been familiarizing they could have been familiarizing
Negation
Simple form
I couldn't familiarize you couldn't familiarize she couldn't familiarize we couldn't familiarize you couldn't familiarize they couldn't familiarize
V-ing form
I couldn't be familiarizing you couldn't be familiarizing she couldn't be familiarizing we couldn't be familiarizing you couldn't be familiarizing they couldn't be familiarizing
Perfect
I couldn't have familiarized you couldn't have familiarized she couldn't have familiarized we couldn't have familiarized you couldn't have familiarized they couldn't have familiarized
V-ing perfect
I couldn't have been familiarizing you couldn't have been familiarizing she couldn't have been familiarizing we couldn't have been familiarizing you couldn't have been familiarizing they couldn't have been familiarizing
Interrogative form
Simple form
could I familiarize? could you familiarize? could she familiarize? could we familiarize? could you familiarize? could they familiarize?
V-ing form
could I be familiarizing? could you be familiarizing? could she be familiarizing? could we be familiarizing? could you be familiarizing? could they be familiarizing?
Perfect
could I have familiarized? could you have familiarized? could she have familiarized? could we have familiarized? could you have familiarized? could they have familiarized?
V-ing perfect
could I have been familiarizing? could you have been familiarizing? could she have been familiarizing? could we have been familiarizing? could you have been familiarizing? could they have been familiarizing?
Interro-negative form
Simple form
couldn't I familiarize? couldn't you familiarize? couldn't she familiarize? couldn't we familiarize? couldn't you familiarize? couldn't they familiarize?
V-ing form
couldn't I be familiarizing? couldn't you be familiarizing? couldn't she be familiarizing? couldn't we be familiarizing? couldn't you be familiarizing? couldn't they be familiarizing?
Perfect
couldn't I have familiarized? couldn't you have familiarized? couldn't she have familiarized? couldn't we have familiarized? couldn't you have familiarized? couldn't they have familiarized?
V-ing perfect
couldn't I have been familiarizing? couldn't you have been familiarizing? couldn't she have been familiarizing? couldn't we have been familiarizing? couldn't you have been familiarizing? couldn't they have been familiarizing?