bilirim and isterim are Simple Present Tense (geniş zaman )in turkish for example I want that apple = ben isterim o elmayı biliyorum - istiyorum are Present Continuous Tense (şimdiki zaman) I am wanting that apple Ben istiyorum o elmayı

privet vam.. istiyorum znachit etot nastayashoe vremya. isterim nemnozhka drugoj. u vashix glalolax netu . isterim nesovershnenniy vid..na primer sizinle tanışmak isterim..mozhno tak dumat esli vazmozhno ..sizinle tanışmak isterim....ili esho raz s vami karşılaşmak isterim... eta znachit ya hochu no esli vy tozhe xochete ,davayte. istiyorum eta znachit silno hochu

You can simply identify the tenses with the suffixes that are added to the verb. 'Bil-(i)yorum' -yor usually defines the present continuous tense. (Why did I say 'usually'? In some cases -yor can be used as simple present tense as well.) We can say that '-yor' in Turkish is the '-ing' form. 'Bil-(i)rim' Simple Present Tense