I must evaporate you must evaporate she must evaporate we must evaporate you must evaporate they must evaporate
V-ing form
I must be evaporating you must be evaporating she must be evaporating we must be evaporating you must be evaporating they must be evaporating
Perfect
I must have evaporated you must have evaporated she must have evaporated we must have evaporated you must have evaporated they must have evaporated
V-ing perfect
I must have been evaporating you must have been evaporating she must have been evaporating we must have been evaporating you must have been evaporating they must have been evaporating
Negation
Simple form
I must not evaporate you must not evaporate she must not evaporate we must not evaporate you must not evaporate they must not evaporate
V-ing form
I must not be evaporating you must not be evaporating she must not be evaporating we must not be evaporating you must not be evaporating they must not be evaporating
Perfect
I must not have evaporated you must not have evaporated she must not have evaporated we must not have evaporated you must not have evaporated they must not have evaporated
V-ing perfect
I must not have been evaporating you must not have been evaporating she must not have been evaporating we must not have been evaporating you must not have been evaporating they must not have been evaporating
Interrogative form
Simple form
must I evaporate? must you evaporate? must she evaporate? must we evaporate? must you evaporate? must they evaporate?
V-ing form
must I be evaporating? must you be evaporating? must she be evaporating? must we be evaporating? must you be evaporating? must they be evaporating?
Perfect
must I have evaporated? must you have evaporated? must she have evaporated? must we have evaporated? must you have evaporated? must they have evaporated?
V-ing perfect
must I have been evaporating? must you have been evaporating? must she have been evaporating? must we have been evaporating? must you have been evaporating? must they have been evaporating?
Interro-negative form
Simple form
must I not evaporate? must you not evaporate? must she not evaporate? must we not evaporate? must you not evaporate? must they not evaporate?
V-ing form
must I not be evaporating? must you not be evaporating? must she not be evaporating? must we not be evaporating? must you not be evaporating? must they not be evaporating?
Perfect
must I not have evaporated? must you not have evaporated? must she not have evaporated? must we not have evaporated? must you not have evaporated? must they not have evaporated?
V-ing perfect
must I not have been evaporating? must you not have been evaporating? must she not have been evaporating? must we not have been evaporating? must you not have been evaporating? must they not have been evaporating?