Yes, these “that clauses” are adjective complements, and the adjective can be emotion, feeling, or opinion. I’m fairly certain this is universally true (< https://dictionary.cambridge.org/grammar/british-grammar/that-clauses We use be + adjective + that-clause to express opinions and feelings. Some adjectives commonly used in this way are sure, certain, right, important, afraid, pleased, sorry, surprised, worried. We can omit that with no change in meaning: It’s important (that) we look at the problem in more detail. I’m sure (that) you’ll know a lot of people there. They were afraid (that) we were going to be late Yes, these “that clauses” are adjective complements, and the adjective can be emotion, feeling, or opinion. I’m fairly certain this is universally true (< Report copyright infringement 1 like Highly-rated answerer 这个答案有帮助吗？ 这个有帮助吗？ 嗯... (0) 有帮助 (0) 您为什么回答“嗯...”？ 明显错误 解释不彻底 我看不懂所写语言 答案与问题无关 其他原因 您的反馈不会向其他用户显示。
Is the construction of "Someone + be + adjective + (that) + a clause" universal? Does the adjective have to be a word of emotion
