English verb conjugation
COULD CONTAIN CONTAIN

Regular verb: contain contain - contain contained - contain contained

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could contain contain you could contain contain he could contain contain we could contain contain you could contain contain they could contain contain	I could be contain containing you could be contain containing he could be contain containing we could be contain containing you could be contain containing they could be contain containing
Perfect	V-ing perfect
I could have contain contained you could have contain contained he could have contain contained we could have contain contained you could have contain contained they could have contain contained	I could have been contain containing you could have been contain containing he could have been contain containing we could have been contain containing you could have been contain containing they could have been contain containing

Negation

Simple form	V-ing form
I couldn't contain contain you couldn't contain contain he couldn't contain contain we couldn't contain contain you couldn't contain contain they couldn't contain contain	I couldn't be contain containing you couldn't be contain containing he couldn't be contain containing we couldn't be contain containing you couldn't be contain containing they couldn't be contain containing
Perfect	V-ing perfect
I couldn't have contain contained you couldn't have contain contained he couldn't have contain contained we couldn't have contain contained you couldn't have contain contained they couldn't have contain contained	I couldn't have been contain containing you couldn't have been contain containing he couldn't have been contain containing we couldn't have been contain containing you couldn't have been contain containing they couldn't have been contain containing

Interrogative form

Simple form	V-ing form
could I contain contain? could you contain contain? could he contain contain? could we contain contain? could you contain contain? could they contain contain?	could I be contain containing? could you be contain containing? could he be contain containing? could we be contain containing? could you be contain containing? could they be contain containing?
Perfect	V-ing perfect
could I have contain contained? could you have contain contained? could he have contain contained? could we have contain contained? could you have contain contained? could they have contain contained?	could I have been contain containing? could you have been contain containing? could he have been contain containing? could we have been contain containing? could you have been contain containing? could they have been contain containing?

Interro-negative form

Simple form	V-ing form
couldn't I contain contain? couldn't you contain contain? couldn't he contain contain? couldn't we contain contain? couldn't you contain contain? couldn't they contain contain?	couldn't I be contain containing? couldn't you be contain containing? couldn't he be contain containing? couldn't we be contain containing? couldn't you be contain containing? couldn't they be contain containing?
Perfect	V-ing perfect
couldn't I have contain contained? couldn't you have contain contained? couldn't he have contain contained? couldn't we have contain contained? couldn't you have contain contained? couldn't they have contain contained?	couldn't I have been contain containing? couldn't you have been contain containing? couldn't he have been contain containing? couldn't we have been contain containing? couldn't you have been contain containing? couldn't they have been contain containing?