Give tense and voice
Formation of infinitives
Give the literal translation
Change the voice
Change the tense
100

ambulare

tense: present

voice: active

100

the present active infinitive is simply this:

the 2nd principal part all by itself

100

translate portavisse 

[porto, portare, portavi, portatus = "carry"]

"to have carried"

100

change portare into the passive

[porto, portare, portavi, portatus = "carry"]

portari

100

translate ambulare into the perfect tense

[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]

ambulavisse

200

portavisse

perfect active

200

the present passive infinitive ends in this letter: 

-i

200

translate mitti

[mitto, mittere, misi, missus-a-um = "send"]

"to be sent"

200

Change visus esse into the active.

[video, vidēre, vidi, visus-a-um = "see"]

vidisse

200

translate ambulare into the future tense

[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]

ambulaturus-a-um esse

300

futurum esse

future active

300

this is the ending for the perfect active infinitive

-sse OR -isse

300

translate visus esse

[video, vidēre, vidi, visus-a-um = "see"]

" to have been seen"

300

Change mittere into the passive.

[mitto, mittere, misi, missus-a-um = "send"]

mitti

300

Change mittere into the perfect tense.

[mitto, mittere, misi, missus-a-um = "send"]

misisse

400

vidēri

present passive

400

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

400

translate ambulare

[ambulo, ambulare, ambulavi, ambulatus-a-um = "walk"]

"to walk"

400

Change vidēre into the passive.

[video, vidēre, vidi, visus-a-um = "see"]

vidēri

400

Change vidēre into the perfect tense.

[video, vidēre, vidi, visus-a-um = "see"]

visus-a-um esse

500

mittī

present passive

500

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

500

translate esse

[sum, esse, fui, futurus-a-um = "be"]

"to be"

500

Change misisse into the passive.

[mitto, mittere, misi, missus-a-um = "send"]

missus-a-um esse

500

change portare into the perfect tense.

[porto, portare, portavi, portatus = "carry"]

portavisse