The instrumentative suffix -(y)lE can be placed after nouns and means with or by means of in Turkish.
The y in front of le or la is only present if the last letter before the suffix is a vowel.
|I am coming by bicycle.||Bisikletle geliyorum.|
|Didn't you come by bus?||Otobüsle gelmedin mi?|
|He came on horseback.||Atıyla geldi.|
|I am going by metro.||Metroyla gidiyorum.|
|I had breakfast with my family.||Ailemle kahvaltı yaptım.|
|I played chess with Mustafa.||Mustafa'yla satranç oynadım.|
After personal pronouns, we use the instrumentative suffix in combination with the genetive suffix, except for the third person plural onlar.
|Are you coming with me?||Benimle geliyor musun?|
|I want to come with you.||Sizinle gelmek istiyorum.|
|With whom are you going to the cinema?||Kiminle sinemaya gidiyorsun?|
|Didn't you go with them?||Onlarla gitmedin mi?|