I could lash you could lash he could lash we could lash you could lash they could lash
V-ing form
I could be lashing you could be lashing he could be lashing we could be lashing you could be lashing they could be lashing
Perfect
I could have lashed you could have lashed he 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 he 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 he 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 he 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 he 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 he 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 he lash? could we lash? could you lash? could they lash?
V-ing form
could I be lashing? could you be lashing? could he be lashing? could we be lashing? could you be lashing? could they be lashing?
Perfect
could I have lashed? could you have lashed? could he 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 he 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 he 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 he 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 he 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 he have been lashing? couldn't we have been lashing? couldn't you have been lashing? couldn't they have been lashing?