I wasn't certain

Grammar usage guide and real-world examples

Replaces "certain" with "sure", conveying a similar sense of doubt.

Uses "sure" instead of "certain", maintaining the same level of uncertainty.

Expresses uncertainty through the presence of doubts.

Shifts the focus to the feeling of doubt.

Indicates a lack of complete belief or persuasion.

Highlights the act of questioning and uncertainty.

Suggests uncertainty by implying reluctance to speak.

The focus shifts to the situation or statement being questionable.

Emphasizes the inability to provide a definitive answer.

Replaces uncertainty with a lack of confidence, showing an absence of belief in oneself or a situation.