Which form is better to use? He made a picture of his sister. He has made a picture of his sister. And why? The situation in which I want to use it is as follows. This is my first ...
Possible Duplicate: When is the present perfect tense used instead of the past tense? When will “Present Perfect vs. Past Tense” cases be affected by culture? I feel like I often misuse ...
If I worked on something yesterday but it was not finished, should I use "I didn't finish it yet" or "I haven't finished it yet"?