Academic IELTS (Band 5 and Below) - Adverbs of Comment

used to emphasize that one is being sincere and telling the truth, especially when the thing being said sounds surprising

in an unfortunate manner

against what might be expected

in a way that causes great surprise, astonishment, or disbelief

in accordance with what is logical, typical, or expected

used for expressing that one hopes something will happen

used to state one's opinion while emphasizing or summarizing its most important aspects

in truth and practice even though not clearly stated

used to express that something positive or favorable has happened or is happening by chance

used to express regret or say that something is disappointing or sad