en > eu 
/ɪf/
1 conj. ba-, baldin ba-
if I see him, I'll tell him: ikusten baldin badut, esango diot
if he studied the subject, he would pass the exam easily: irakasgaia ikasiko balu, erraz gaindituko luke azterketa
if you'd finished early your tasks, you would have been at home: lanak goiz bukatu izan bazenitu, etxean izango zinatekeen
2 conj. nahiz eta, arren, ba-... ere; baina
3 conj. -(e)n; -(e)nez, -(e)netz