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