Let's learn one more important pronoun:

toks (such, male)
tokia (such, female)
tokie (such, plural male)
tokios (such, plural female)

Compare the endings of this pronoun to those of adjectives (look below the page):

Nominative case: - toks - tokia
Genitive case (of): - tokio - tokios
Dative case (to/for): - tokiam - tokiai
Accusative case: - tokį - tokią
Instrumental case (using): - tokiu - tokia
Locative case (in): - tokiame - tokioje

Nominative case: - tokie - tokios
Genitive case (of): - tokių - tokių
Dative case (to/for): - tokiems - tokioms
Accusative case: - tokius - tokias
Instrumental case (using): - tokiais - tokiomis
Locative case (in): - tokiuose - tokiose


Mums reikia tokių mokinių. We need such pupils.

As you see, often toks can be translated as "such". But sometimes you need to translate it into "so":

Kodėl žolė tokia žalia? Why is the grass so green?
Šie mokiniai yra tokie geri! These pupils are so good!

Toks lėtas autobusas man nepatinka. I don't like such a slow bus.
Ši mašina yra tokia lėta! This car is so slow!
Gerai, kad tos moterys yra tokios gražios. It's good that those women are so beautiful.
Ar jie yra tokie seni, kad negali paeiti? Are they so old that they cannot walk?
Toks tokiam patinka. Such appeals to such.