The Latin verb do, dare, dedi, datus, "to give", belongs to the first conjugation. It is a bit irregular in that it has a short 'a' in the present stem, instead of the usual long 'a'. There are also irregular alternatives for some forms (e.g. danunt alongside dant for "they give", frequent in Plautus).
There are two verbs in Latin that are commonly translated into English as "do". Both belong to the third conjugation:
Auxilium, i (n.)
"To laugh" in Latin is ridere (second conjugation).
Verb
The passive present verb endings in Latin are: First Conjugation: -or Second Conjugation: -or Third Conjugation: -or/-er/-itur Fourth Conjugation: -or/-itur
Navigo is first conjugation Latin, the translation being "I am sailing." Latin verbs come with tense and person indicators, telling you who (I, you, he/she/it, we, you all, they) does it and when.
"Forbid" is not latin. To say "forbid" in latin would be veto, vatare, vetui, vetitum (1st conjugation) + infinitive
Latin
obtain is from two Latin words: ob = against / on account of and teneo+ to have or to hold. The Latin verb itself has a change in vowel because of the prefix: obtineo, obtinere (2nd conjugation)
The Latin word which means unify is Coniungere.
There is no separate word for "shall" in Latin. Instead the idea of futurity is expressed in the verb conjugation. For example, amo is "I love"; to say "I shall love" is amabo.
The Latin word for "judge" is judex, judicis, a noun of the third declension.The verb "to judge" is judico, judicare, judicavi, judicatus (first conjugation).
All the verbs that end in -o in the first principal part and -ere in the second principal part. Note: some people count verbs that end in -io in the first principal part and -ere in the second principal part as third conjugation. However, others place it in a different conjugation called 'third -io conjugation.'