1.be happy that 中that 引導(dǎo)的是原因狀語從句,說明高興的原因,相當(dāng)于because 引導(dǎo)的句子.“be+形容詞+that從句”是英語的表達(dá)方式之一,例如:I am very happy that you could visit us."您能來拜訪我們,我們很高興".再例如:He was glad that he had made great progress in his study."他很高興自己在學(xué)習(xí)中取得了很大的進(jìn)步".表語從句是緊跟在連系動詞(即系動詞)后,例如:The teacher's decision is that we will have a meeting next Wednesday."老師的決定是我們下周星期三開會".
2.instead of complaining that the rosebush is full of thorns,be happy that the thorn bush has roses.
“不要抱怨玫瑰叢(或者:薔薇叢)長滿了刺,相反,為刺叢有玫瑰(或者:薔薇)而高興吧”."be happy that ..." 是祈使句,用動詞原形,所以用be原形.怎么有人說be happy that是賓語從句這個(gè)that不做成分吧？ 表語從句的that也不做成分吧？回答您的問題如下：1. 判斷that 從句是狀語從句還是賓語從句還與整個(gè)句子的意思相關(guān)。例如您的例子中：be happy that the thorn bush has roses. “為刺叢有玫瑰(或者: 薔薇)而高興吧”，從語義上講，顯然“刺叢有玫瑰(或者: 薔薇)”是高興的原因，所以that從句是原因狀語。而在 “I am afraid that he will not come this afternoon.” “恐怕他今天下午不會來”這句話中，“I am afraid..." 是"I think..." 的委婉表達(dá)方式，相當(dāng)于“I personally think...” "我個(gè)人認(rèn)為"，所以將“I am afraid that he will not come this afternoon.” 改成 “I personally think that he will not come this afternoon.” 是完全可以的。而在“I personally think that he will not come this afternoon.” 中，that 從句是think 的賓語，所以，在“I am afraid that he will not come this afternoon.” 中，that從句是賓語從句。 所以從句種類的劃分與語義有關(guān)。2. 您說得對：be happy that...和表語從句中的that 都不作句子成分。