ambulare
tense: present
voice: active
the present active infinitive is simply this:
the 2nd principal part all by itself
translate portavisse
[porto, portare, portavi, portatus = "carry"]
"to have carried"
change portare into the passive
[porto, portare, portavi, portatus = "carry"]
portari
translate ambulare into the perfect tense
[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]
ambulavisse
portavisse
perfect active
the present passive infinitive ends in this letter:
-i
translate mitti
[mitto, mittere, misi, missus-a-um = "send"]
"to be sent"
Change visus esse into the active.
[video, vidēre, vidi, visus-a-um = "see"]
vidisse
translate ambulare into the future tense
[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]
ambulaturus-a-um esse
futurum esse
future active
this is the ending for the perfect active infinitive
-sse OR -isse
translate visus esse
[video, vidēre, vidi, visus-a-um = "see"]
" to have been seen"
Change mittere into the passive.
[mitto, mittere, misi, missus-a-um = "send"]
mitti
Change mittere into the perfect tense.
[mitto, mittere, misi, missus-a-um = "send"]
misisse
vidēri
present passive
this is how you recognize the perfect passive infinitive
it's two words: the first word is the 4th principal part of a verb, and the second word is the infinitive esse
translate ambulare
[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]
"to walk"
Change vidēre into the passive.
[video, vidēre, vidi, visus-a-um = "see"]
vidēri
Change vidēre into the perfect tense.
[video, vidēre, vidi, visus-a-um = "see"]
visus-a-um esse
mittī
present passive
this is how you spot a future infinitive
it's two separate words, the first word is a future participle [-urus-a-um] and the second word is the infinitive esse
translate esse
[sum, esse, fui, futurus-a-um = "be"]
"to be"
Change misisse into the passive.
[mitto, mittere, misi, missus-a-um = "send"]
missus-a-um esse
change portare into the perfect tense.
[porto, portare, portavi, portatus = "carry"]