Use the following system of defining six principle parts of verbs. Yes, I know it is a rather  artifical system, but it is the best I can think of. Remember that deponent verbs should be translated as active, and that many verbs lack one or more of these principle parts. And, as always, use only lower case letters, except for the pronoun I do NOT use punctuation Do not put more than one space between words and put no spaces after the last word.
Present   I collect 
Future   I shall collect
Aorist   I collected 
Perfect   I had collected 
Perfect Mid/Pass.   I had been collected 
Aorist Passive    I was collected