常见的这类形容词有:
afraid, amazed, astonished, aware, certain, confident, delighted, glad, grateful, happy, proud, sad, sorry, sure, surprised等。
I am glad that you have come. 你来了,我真高兴。
I am afraid that you are wrong on this point.恐怕你在这点上是错误的。
He is quite confident that he will pass the examination.他很有信心通过这个考试。