Regular verb: sip - sipped - sipped
Simple form | V-ing form |
I can sip you can sip he can sip we can sip you can sip they can sip | I can be sipping you can be sipping he can be sipping we can be sipping you can be sipping they can be sipping |
Perfect | V-ing perfect |
I can have sipped you can have sipped he can have sipped we can have sipped you can have sipped they can have sipped | I can have been sipping you can have been sipping he can have been sipping we can have been sipping you can have been sipping they can have been sipping |
Simple form | V-ing form |
I can't sip you can't sip he can't sip we can't sip you can't sip they can't sip | I can't be sipping you can't be sipping he can't be sipping we can't be sipping you can't be sipping they can't be sipping |
Perfect | V-ing perfect |
I can't have sipped you can't have sipped he can't have sipped we can't have sipped you can't have sipped they can't have sipped | I can't have been sipping you can't have been sipping he can't have been sipping we can't have been sipping you can't have been sipping they can't have been sipping |
Simple form | V-ing form |
can I sip? can you sip? can he sip? can we sip? can you sip? can they sip? | can I be sipping? can you be sipping? can he be sipping? can we be sipping? can you be sipping? can they be sipping? |
Perfect | V-ing perfect |
can I have sipped? can you have sipped? can he have sipped? can we have sipped? can you have sipped? can they have sipped? | can I have been sipping? can you have been sipping? can he have been sipping? can we have been sipping? can you have been sipping? can they have been sipping? |
Simple form | V-ing form |
can't I sip? can't you sip? can't he sip? can't we sip? can't you sip? can't they sip? | can't I be sipping? can't you be sipping? can't he be sipping? can't we be sipping? can't you be sipping? can't they be sipping? |
Perfect | V-ing perfect |
can't I have sipped? can't you have sipped? can't he have sipped? can't we have sipped? can't you have sipped? can't they have sipped? | can't I have been sipping? can't you have been sipping? can't he have been sipping? can't we have been sipping? can't you have been sipping? can't they have been sipping? |