| io devo | I must | 
            
                | tu devi | you must (singular) | 
            
                | lui/lei/è deve | he/she/it must | 
            
                | noi dobbiamo | we must | 
            
                | voi dovete | you all must | 
            
                | loro devono | they must | 
            
                
            
            
                | io dovevo | I had to | 
            
                | tu dovevi | you had to (singular) | 
            
                | lui/lei/è doveva | he/she/it had to | 
            
                | noi dovevamo | we had to | 
            
                | voi dovevate | you all had to | 
            
                | loro dovevano | they had to | 
            
                
            
            
                | io dovrò | I will have to | 
            
                | tu dovrai | you will have to (singular) | 
            
                | lui/lei/è dovrà | he/she/it will have to | 
            
                | noi dovremo | we will have to | 
            
                | voi dovrete | you all will have to | 
            
                | loro dovranno | they will have to | 
            
                
            
            
                | io ho dovuto | I have had to | 
            
                | tu hai dovuto | you have had to (singular) | 
            
                | lui/lei/è ha dovuto | he/she/it has had to | 
            
                | noi abbiamo dovuto | we have had to | 
            
                | voi avete dovuto | you all have had to | 
            
                | loro hanno dovuto | they have had to | 
            
                
            
            
                | io avevo dovuto | I had had to | 
            
                | tu avevi dovuto | you had had to (singular) | 
            
                | lui/lei/è aveva dovuto | he/she/it had had to | 
            
                | noi avevamo dovuto | we had had to | 
            
                | voi avevate dovuto | you all had had to | 
            
                | loro avevano dovuto | they had had to | 
            
                
            
            
                | io avrò dovuto | I will have had to | 
            
                | tu avrai dovuto | you will have had to (singular) | 
            
                | lui/lei/è avrà dovuto | he/she/it will have had to | 
            
                | noi avremo dovuto | we will have had to | 
            
                | voi avrete dovuto | you all will have had to | 
            
                | loro avranno dovuto | they will have had to | 
            
                
            
            
                | io dovetti | I had to | 
            
                | tu dovesti | you had to (singular) | 
            
                | lui/lei dovette | he/she had to | 
            
                | noi dovemmo | we had to | 
            
                | voi doveste | you all had to | 
            
                | loro dovettero | they had to | 
            
                
            
            
                | dovendo | having to | 
            
                
            
            
                | io dovrei | I should | 
            
                | tu dovresti | you should (singular) | 
            
                | lui/lei/è dovrebbe | he/she/it should | 
            
                | noi dovremmo | we should | 
            
                | voi dovreste | you all should | 
            
                | loro dovrebbero | they should | 
            
                
            
            
                | io avrei dovuto | I should have | 
            
                | tu avresti dovuto | you should have (singular) | 
            
                | lui/lei/è avrebbe dovuto | he/she/it should have | 
            
                | noi avremmo dovuto | we should have | 
            
                | voi avreste dovuto | you all should have | 
            
                | loro avrebbero dovuto | they should have | 
            
                
            
            
                | che io debba | that I must | 
            
                | che tu debba | that you must (singular) | 
            
                | che lui/lei/è debba | that he/she/it must | 
            
                | che noi dobbiamo | that we must | 
            
                | che voi dobbiate | that you all must | 
            
                | che loro debbano | that they must | 
            
                
            
            
                | che io dovessi | that I had to | 
            
                | che tu dovessi | that you had to (singular) | 
            
                | che lui/lei/è dovesse | that he/she/it had to | 
            
                | che noi dovessimo | that we had to | 
            
                | che voi doveste | that you all had to | 
            
                | che loro dovessero | that they had to | 
            
                
            
            
                | che io abbia dovuto | that I have had to | 
            
                | che tu abbia dovuto | that you have had to (singular) | 
            
                | che lui/lei/è abbia dovuto | that he/she/it has had to | 
            
                | che noi abbiamo dovuto | that we have had to | 
            
                | che voi abbiate dovuto | that you all have had to | 
            
                | che loro abbiano dovuto | that they have had to | 
            
                
            
            
                | (tu) devi | you must (singular) | 
            
                | (Lei) debba | you must (formal) | 
            
                | (noi) dobbiamo | let's must | 
            
                | (voi) dovete | you all must | 
            
                | (Loro) debbano | they must (formal) |