Regular verb: swallow - swallowed - swallowed
Simple form | V-ing form |
I must swallow you must swallow she must swallow we must swallow you must swallow they must swallow | I must be swallowing you must be swallowing she must be swallowing we must be swallowing you must be swallowing they must be swallowing |
Perfect | V-ing perfect |
I must have swallowed you must have swallowed she must have swallowed we must have swallowed you must have swallowed they must have swallowed | I must have been swallowing you must have been swallowing she must have been swallowing we must have been swallowing you must have been swallowing they must have been swallowing |
Simple form | V-ing form |
I mustn't swallow you mustn't swallow she mustn't swallow we mustn't swallow you mustn't swallow they mustn't swallow | I mustn't be swallowing you mustn't be swallowing she mustn't be swallowing we mustn't be swallowing you mustn't be swallowing they mustn't be swallowing |
Perfect | V-ing perfect |
I mustn't have swallowed you mustn't have swallowed she mustn't have swallowed we mustn't have swallowed you mustn't have swallowed they mustn't have swallowed | I mustn't have been swallowing you mustn't have been swallowing she mustn't have been swallowing we mustn't have been swallowing you mustn't have been swallowing they mustn't have been swallowing |
Simple form | V-ing form |
must I swallow? must you swallow? must she swallow? must we swallow? must you swallow? must they swallow? | must I be swallowing? must you be swallowing? must she be swallowing? must we be swallowing? must you be swallowing? must they be swallowing? |
Perfect | V-ing perfect |
must I have swallowed? must you have swallowed? must she have swallowed? must we have swallowed? must you have swallowed? must they have swallowed? | must I have been swallowing? must you have been swallowing? must she have been swallowing? must we have been swallowing? must you have been swallowing? must they have been swallowing? |
Simple form | V-ing form |
mustn't I swallow? mustn't you swallow? mustn't she swallow? mustn't we swallow? mustn't you swallow? mustn't they swallow? | mustn't I be swallowing? mustn't you be swallowing? mustn't she be swallowing? mustn't we be swallowing? mustn't you be swallowing? mustn't they be swallowing? |
Perfect | V-ing perfect |
mustn't I have swallowed? mustn't you have swallowed? mustn't she have swallowed? mustn't we have swallowed? mustn't you have swallowed? mustn't they have swallowed? | mustn't I have been swallowing? mustn't you have been swallowing? mustn't she have been swallowing? mustn't we have been swallowing? mustn't you have been swallowing? mustn't they have been swallowing? |