Is it common to use “yet” with Past Simple before Past Perfect Progressive? Or is it better to use Present Perfect?
Someone asked me :
Why you hadn’t written earlier?
I think a specific time is implied in my answer ( and that’s the reason I should use Simple Past) but at all I don’t know which one is flawless.
I haven’t written the letter yet because I had been caring for my sick mother all day.
I didn’t write the letter yet because I had been caring for my sick mother all day.
Source: English Grammar Digest by Trudy Aronson.
Dear administrators, I’m really sorry if there’s any grammatical mistakes in my topic, I've just started to learn English.