Regular verb: waterproof - waterproofed - waterproofed
Simple form | V-ing form |
I must waterproof you must waterproof he must waterproof we must waterproof you must waterproof they must waterproof | I must be waterproofing you must be waterproofing he must be waterproofing we must be waterproofing you must be waterproofing they must be waterproofing |
Perfect | V-ing perfect |
I must have waterproofed you must have waterproofed he must have waterproofed we must have waterproofed you must have waterproofed they must have waterproofed | I must have been waterproofing you must have been waterproofing he must have been waterproofing we must have been waterproofing you must have been waterproofing they must have been waterproofing |
Simple form | V-ing form |
I must not waterproof you must not waterproof he must not waterproof we must not waterproof you must not waterproof they must not waterproof | I must not be waterproofing you must not be waterproofing he must not be waterproofing we must not be waterproofing you must not be waterproofing they must not be waterproofing |
Perfect | V-ing perfect |
I must not have waterproofed you must not have waterproofed he must not have waterproofed we must not have waterproofed you must not have waterproofed they must not have waterproofed | I must not have been waterproofing you must not have been waterproofing he must not have been waterproofing we must not have been waterproofing you must not have been waterproofing they must not have been waterproofing |
Simple form | V-ing form |
must I waterproof? must you waterproof? must he waterproof? must we waterproof? must you waterproof? must they waterproof? | must I be waterproofing? must you be waterproofing? must he be waterproofing? must we be waterproofing? must you be waterproofing? must they be waterproofing? |
Perfect | V-ing perfect |
must I have waterproofed? must you have waterproofed? must he have waterproofed? must we have waterproofed? must you have waterproofed? must they have waterproofed? | must I have been waterproofing? must you have been waterproofing? must he have been waterproofing? must we have been waterproofing? must you have been waterproofing? must they have been waterproofing? |
Simple form | V-ing form |
must I not waterproof? must you not waterproof? must he not waterproof? must we not waterproof? must you not waterproof? must they not waterproof? | must I not be waterproofing? must you not be waterproofing? must he not be waterproofing? must we not be waterproofing? must you not be waterproofing? must they not be waterproofing? |
Perfect | V-ing perfect |
must I not have waterproofed? must you not have waterproofed? must he not have waterproofed? must we not have waterproofed? must you not have waterproofed? must they not have waterproofed? | must I not have been waterproofing? must you not have been waterproofing? must he not have been waterproofing? must we not have been waterproofing? must you not have been waterproofing? must they not have been waterproofing? |