て、た、たり、and たら are hiragana and are usaully used for grammer changes. The te (て) form of a Japanese verb (sometimes called the "participle") is used when the verb has some kind of connection to the following words. For all verbs, it is formed by changing the -a of the perfective aspect form to -e. Adjectives behave slightly differently. Such as 愛する aisuru (to love) becomes 愛して aishite. One of the main things you should know about the TA - た form of a verb is that it is used to put verbs into past tense plain form. A verb in base TA - た form is equivalent to English’s have done or past tense perfect. when use tari, use the following formula V.a tari + V.b Tari simasu do Verb.a and Verb.b and other... for example 本を読んだり、テレビを見たりします hon wo yondari, terebi wo mitari reading a book and watching TV カラオケをしたり、買い物したりします karaoke wo sitari, kaimonositari simasu doing karaoke, and shopping This expression is used when listing up two or three of variety things that one does. The -tara (たら) form is just the simple past-tense verb form (-ta or -da) plus -ra. So iku becomes ittara and yomu becomes yondara. -I adjectives use their simple past, while -na ajectives and nouns take dattara (the simple past form of da). Hope this helped!

In addition to the answers given, another site I'd recommend for Japanese grammar: http://www.guidetojapanese.org/ -ta: past tense http://www.guidetojapanese.org/learn/grammar/past_tense -te: similar to English -ing http://www.guidetojapanese.org/learn/grammar/teform -tara: "past" conditional form http://www.guidetojapanese.org/learn/grammar/conditionals -tari: used for a list of verbs http://www.guidetojapanese.org/learn/grammar/compound

http://japanese.about.com/ you can find your way and it will find out about the endings.

I suggest you actually start learning the language if you want to understand this stuff.