to be allowed/permitted

infinitive 

to be allowed/permitted

past 

to be allowed/permitted

past participle 

to be allowed/permitted

present 

to be able to

infinitive 

to be able to

past 

to be able to

past participle 

to be able to

present 

to like (to)

infinitive 

to like (to)

past 

to like (to)

past participle 

to like (to)

present 

to have to, must

infinitive 

to have to, must

past 

to have to, must

past participle 

to have to, must

present 

to be supposed to, should

infinitive 

to be supposed to, should

past 

to be supposed to, should

past participle 

to be supposed to, should

present 

to want to

infinitive 

to want to

past 

to want to

past participle 

to want to

present