male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD INSTALL
Regular verb: install - installed - installed
Affirmation
Simple form
I could installyou could install
she could install
we could install
you could install
they could install
V-ing form
I could be installingyou could be installing
she could be installing
we could be installing
you could be installing
they could be installing
Perfect
I could have installedyou could have installed
she could have installed
we could have installed
you could have installed
they could have installed
V-ing perfect
I could have been installingyou could have been installing
she could have been installing
we could have been installing
you could have been installing
they could have been installing
Negation
Simple form
I couldn't installyou couldn't install
she couldn't install
we couldn't install
you couldn't install
they couldn't install
V-ing form
I couldn't be installingyou couldn't be installing
she couldn't be installing
we couldn't be installing
you couldn't be installing
they couldn't be installing
Perfect
I couldn't have installedyou couldn't have installed
she couldn't have installed
we couldn't have installed
you couldn't have installed
they couldn't have installed
V-ing perfect
I couldn't have been installingyou couldn't have been installing
she couldn't have been installing
we couldn't have been installing
you couldn't have been installing
they couldn't have been installing
Interrogative form
Simple form
could I install?could you install?
could she install?
could we install?
could you install?
could they install?
V-ing form
could I be installing?could you be installing?
could she be installing?
could we be installing?
could you be installing?
could they be installing?
Perfect
could I have installed?could you have installed?
could she have installed?
could we have installed?
could you have installed?
could they have installed?
V-ing perfect
could I have been installing?could you have been installing?
could she have been installing?
could we have been installing?
could you have been installing?
could they have been installing?
Interro-negative form
Simple form
couldn't I install?couldn't you install?
couldn't she install?
couldn't we install?
couldn't you install?
couldn't they install?
V-ing form
couldn't I be installing?couldn't you be installing?
couldn't she be installing?
couldn't we be installing?
couldn't you be installing?
couldn't they be installing?
Perfect
couldn't I have installed?couldn't you have installed?
couldn't she have installed?
couldn't we have installed?
couldn't you have installed?
couldn't they have installed?
V-ing perfect
couldn't I have been installing?couldn't you have been installing?
couldn't she have been installing?
couldn't we have been installing?
couldn't you have been installing?
couldn't they have been installing?