Present Perfect Tesnse

In this lesson, I will introduce you how to describe a present perfect tense in Japanese.

<Example Sentences>
Affirmative:
きのう　ハンバーガー　を　たべました。
I ate a hamburger yesterday.
もう、ハンバーガー　を　たべました。
I have already eaten a hamburger.
*もう means "already" 

Negative:
きのう　ハンバーガー　を　たべませんでした。
I did not eat a hamburger yesterday.
まだ、ハンバーガー　を　たべていません。
I have not eaten a hamburger yet.
*ていません is a negative expression of ています

References:
Te-forms
https://anchor.fm/yuya-sato/episodes/Te-forms-enfaqj

The Expressions of Te-forms
https://anchor.fm/yuya-sato/episodes/The-Expressions-of-Te-forms-engt2g

Progressive Form
https://anchor.fm/yuya-sato/episodes/Progressive-Form-enjvbc

Result of a Change
https://anchor.fm/yuya-sato/episodes/Result-of-a-Change-enlf3o

Instagram:
https://www.instagram.com/yuyaman1986