What's the difference between: "I'm having a headache" and "I have a headache"?
127529
Correct use of "is having"
119517
What's the difference between the simple past tense and the present perfect?
2182
vs. . Which to use?
117762
Difference in meaning of "frustrated at" and "frustrated with"
37579
"I'm well" vs. "I'm good" vs. "I'm doing well", etc
5576
Use of "I am having" on Stack Exchange sites
32546
Controversy over subject-verb agreement in this sentence
28447
The confusion between "The" or "A" article
76630
"An (obvious) problem" or "a (obvious) problem"?
79314
Should I write "that being said" (vs. "that's been said" or "Having said that")?
132687
"I have no ..." vs. "I don't have ..."
80268
Past participle vs being+past participle
72268
"I don't understand you" vs. "I'm not understanding you"
89900
What is the difference in meaning among these sentences?
28704
When should I use "a" vs "an"?
88407
Difference between "I'm home" vs "I'm at home"
22504
Having a hard time "verb-ing" vs having a hard time to "verb"