I must recommend you must recommend she must recommend we must recommend you must recommend they must recommend
V-ing form
I must be recommending you must be recommending she must be recommending we must be recommending you must be recommending they must be recommending
Perfect
I must have recommended you must have recommended she must have recommended we must have recommended you must have recommended they must have recommended
V-ing perfect
I must have been recommending you must have been recommending she must have been recommending we must have been recommending you must have been recommending they must have been recommending
Negation
Simple form
I must not recommend you must not recommend she must not recommend we must not recommend you must not recommend they must not recommend
V-ing form
I must not be recommending you must not be recommending she must not be recommending we must not be recommending you must not be recommending they must not be recommending
Perfect
I must not have recommended you must not have recommended she must not have recommended we must not have recommended you must not have recommended they must not have recommended
V-ing perfect
I must not have been recommending you must not have been recommending she must not have been recommending we must not have been recommending you must not have been recommending they must not have been recommending
Interrogative form
Simple form
must I recommend? must you recommend? must she recommend? must we recommend? must you recommend? must they recommend?
V-ing form
must I be recommending? must you be recommending? must she be recommending? must we be recommending? must you be recommending? must they be recommending?
Perfect
must I have recommended? must you have recommended? must she have recommended? must we have recommended? must you have recommended? must they have recommended?
V-ing perfect
must I have been recommending? must you have been recommending? must she have been recommending? must we have been recommending? must you have been recommending? must they have been recommending?
Interro-negative form
Simple form
must I not recommend? must you not recommend? must she not recommend? must we not recommend? must you not recommend? must they not recommend?
V-ing form
must I not be recommending? must you not be recommending? must she not be recommending? must we not be recommending? must you not be recommending? must they not be recommending?
Perfect
must I not have recommended? must you not have recommended? must she not have recommended? must we not have recommended? must you not have recommended? must they not have recommended?
V-ing perfect
must I not have been recommending? must you not have been recommending? must she not have been recommending? must we not have been recommending? must you not have been recommending? must they not have been recommending?