By American English, Simple present

1. I wonder who is making / was making that dreadful row. - are both versions possible? Yes. If you are talking about the noise going on now, use "is" but if you are talking about that noise you hear last night, for example, use "was." 2. After he had eaten an enormous dinner, he fell asleep...

Hi Hiro . Using your definitions again: 1. I have acquired / obtained (present perfect) = In American English: "I have gotten" (I've gotten) In British English: "I have got" (I've got) 2. I have / I possess (simple present tense) = In American and British English: "I have...

"If you are a professional singer, I'm Pavarotti." I didn't know my singing was so terrible! ~chuckles~ Your sentence is grammatically correct, and it makes perfect sense as well. To me, it is also the best choice in the context you mentioned. Your second sentence is also grammatically...