English verb conjugation
COULD BOOT

Regular verb: boot - booted - booted

Affirmation

Simple form	V-ing form
I could boot you could boot she could boot we could boot you could boot they could boot	I could be booting you could be booting she could be booting we could be booting you could be booting they could be booting
Perfect	V-ing perfect
I could have booted you could have booted she could have booted we could have booted you could have booted they could have booted	I could have been booting you could have been booting she could have been booting we could have been booting you could have been booting they could have been booting

Negation

Simple form	V-ing form
I couldn't boot you couldn't boot she couldn't boot we couldn't boot you couldn't boot they couldn't boot	I couldn't be booting you couldn't be booting she couldn't be booting we couldn't be booting you couldn't be booting they couldn't be booting
Perfect	V-ing perfect
I couldn't have booted you couldn't have booted she couldn't have booted we couldn't have booted you couldn't have booted they couldn't have booted	I couldn't have been booting you couldn't have been booting she couldn't have been booting we couldn't have been booting you couldn't have been booting they couldn't have been booting

Interrogative form

Simple form	V-ing form
could I boot? could you boot? could she boot? could we boot? could you boot? could they boot?	could I be booting? could you be booting? could she be booting? could we be booting? could you be booting? could they be booting?
Perfect	V-ing perfect
could I have booted? could you have booted? could she have booted? could we have booted? could you have booted? could they have booted?	could I have been booting? could you have been booting? could she have been booting? could we have been booting? could you have been booting? could they have been booting?

Interro-negative form

Simple form	V-ing form
couldn't I boot? couldn't you boot? couldn't she boot? couldn't we boot? couldn't you boot? couldn't they boot?	couldn't I be booting? couldn't you be booting? couldn't she be booting? couldn't we be booting? couldn't you be booting? couldn't they be booting?
Perfect	V-ing perfect
couldn't I have booted? couldn't you have booted? couldn't she have booted? couldn't we have booted? couldn't you have booted? couldn't they have booted?	couldn't I have been booting? couldn't you have been booting? couldn't she have been booting? couldn't we have been booting? couldn't you have been booting? couldn't they have been booting?