| A | B |
|---|
| sum | I am |
| estis | you are (pl) |
| erimus | we will be |
| eratis | you were (pl) |
| sunt | they are |
| est | he is |
| sumus | we are |
| eram | I was |
| eras | you were (sg) |
| erat | he was |
| eramus | we were |
| erant | they were |
| ero | I shall be |
| eris | you will be (sg) |
| erit | he will be |
| eritis | you will be (pl) |
| erunt | they will be |
| es | you are (sg) |
| possum | I am able |
| potes | you are able (sg) |
| potest | he is able |
| possumus | we are able |
| potestis | you are able (pl) |
| possunt | they are able |
| poteram | I was able |
| poteras | you were able (sg) |
| poterat | he was able |
| poteramus | we were able |
| poteratis | you were able (pl) |
| poterant | they were able |
| potero | I shall be able |
| poteris | you will be able (sg) |
| poterit | he will be able |
| poterimus | we will be able |
| poteritis | you will be able (pl) |
| poterunt | they will be able |
| fui | I was (completed act) |
| fuisti | you were (sg) (completed act) |
| fuit | he was (completed act) |
| fuimus | we were (completed act) |
| fuistis | you were (pl) (completed act) |
| fuerunt | they were (completed act) |
| fueram | I had been |
| fueras | you had been (sg) |
| fuerat | he had been |
| fueramus | we had been |
| fueratis | you had been (pl) |
| fuerant | they had been |
| fuero | I shall have been |
| fueris | you will have been (sg) |
| fuerit | he will have been |
| fuerimus | we will have been |
| fueritis | you will have been (pl) |
| fuerint | they will have been |
| potui | I was able (completed act) |
| potuisti | you were able (sg) (completed act) |
| potuit | he was able (completed act) |
| potuimus | we were able (completed act) |
| potuistis | you were able (pl) (completed act) |
| potuerunt | they were able (completed act) |
| potueram | I had been able |
| potueras | you had been able (sg) |
| potuerat | he had been able |
| potueramus | we had been able |
| potueratis | you had been able (pl) |
| potuerant | they had been able |
| potuero | I shall have been able |
| potueris | you will have been able (sg) |
| potuerit | he will have been able |
| potuerimus | we will have been able |
| potueritis | you will have been able (pl) |
| potuerint | they will have been able |
