Subject + 很 + 高兴
高兴 means "happy," "glad," or "pleased," describing a positive emotional state. It is commonly modified by 很 to form the expression 很高兴 meaning "very happy." It can also be used in the greeting pattern 很高兴认识你 (nice to meet you).
收到你的礼物,我很高兴。
Shōudào nǐ de lǐwù, wǒ hěn gāoxìng.
I'm very happy to have received your gift.
很高兴认识你,希望以后多联系。
Hěn gāoxìng rènshi nǐ, xīwàng yǐhòu duō liánxì.
Nice to meet you, I hope we can keep in touch in the future.
孩子们玩得很高兴,不想回家。
Háizimen wán de hěn gāoxìng, bù xiǎng huí jiā.
The children were having so much fun that they didn't want to go home.