English verb conjugation
COULD IODATE

Regular verb: iodate - iodated - iodated

Affirmation

Simple form	V-ing form
I could iodate you could iodate he could iodate we could iodate you could iodate they could iodate	I could be iodating you could be iodating he could be iodating we could be iodating you could be iodating they could be iodating
Perfect	V-ing perfect
I could have iodated you could have iodated he could have iodated we could have iodated you could have iodated they could have iodated	I could have been iodating you could have been iodating he could have been iodating we could have been iodating you could have been iodating they could have been iodating

Negation

Simple form	V-ing form
I couldn't iodate you couldn't iodate he couldn't iodate we couldn't iodate you couldn't iodate they couldn't iodate	I couldn't be iodating you couldn't be iodating he couldn't be iodating we couldn't be iodating you couldn't be iodating they couldn't be iodating
Perfect	V-ing perfect
I couldn't have iodated you couldn't have iodated he couldn't have iodated we couldn't have iodated you couldn't have iodated they couldn't have iodated	I couldn't have been iodating you couldn't have been iodating he couldn't have been iodating we couldn't have been iodating you couldn't have been iodating they couldn't have been iodating

Interrogative form

Simple form	V-ing form
could I iodate? could you iodate? could he iodate? could we iodate? could you iodate? could they iodate?	could I be iodating? could you be iodating? could he be iodating? could we be iodating? could you be iodating? could they be iodating?
Perfect	V-ing perfect
could I have iodated? could you have iodated? could he have iodated? could we have iodated? could you have iodated? could they have iodated?	could I have been iodating? could you have been iodating? could he have been iodating? could we have been iodating? could you have been iodating? could they have been iodating?

Interro-negative form

Simple form	V-ing form
couldn't I iodate? couldn't you iodate? couldn't he iodate? couldn't we iodate? couldn't you iodate? couldn't they iodate?	couldn't I be iodating? couldn't you be iodating? couldn't he be iodating? couldn't we be iodating? couldn't you be iodating? couldn't they be iodating?
Perfect	V-ing perfect
couldn't I have iodated? couldn't you have iodated? couldn't he have iodated? couldn't we have iodated? couldn't you have iodated? couldn't they have iodated?	couldn't I have been iodating? couldn't you have been iodating? couldn't he have been iodating? couldn't we have been iodating? couldn't you have been iodating? couldn't they have been iodating?