Question

How do we determine which conjunction a latin verb belongs to?

Answer 1

The first form is the active indicative present singular first 1 form of the verb.
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If in the first step you came across -ere, then look at the last two letters of the first form.
If they are -eo, then the verb is of the second conjugation.
If they are -io, then the verb is of the third -io conjugation.

Answer 2

Answer:

Here is how you can tell: First, look at the last three letters of the second form. If they are -are, then the verb is of the first conjugation. If they are -ire, then the verb is of the fourth conjugation