We use it for present and future tenses. Most of time we use this tense for the future. It's more like "will" of English.
1-Tamam, telefona ben cevap veririm. = Okay, I will answer the phone.
2-Her akşam yürüyüşe çıkarım. = I go for a walk every evening. Note: this tense is used when you use adverbs of frequency like "her akşam, her yıl, bazen, sık sık"