'doubtful' is perhaps a little bit more negative: You should open two additional threads for questions 2 and 3. I wonder if i can change the word 'that' coming after 'uncertain' to 'if' or 'whether'.
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To stay someone's hand means to prevent that person from carrying out an. To stay means to stop, to prevent from moving. I'm uncertain of/about my future.
He's uncertain of/ about his knowledge.
Hi guys, i would like to know what is the difference between uncertain of and uncertain about, is there any rule? The structure that comes after certain or. The following sentence is from an english textbook in korea.
