38, No one in my family can speak English more fluently than my father.

=> My father can speak English the most fluently in my family.

39,Minh really loves to hang out with friends .

=>Minh really enjoys hanging out with friends.

40, playing beach games is very interesting.

=>It is very interesting to play beach games.

$\text{38.}$ My father can speak English the most fluently in my family.
→ S + be/V + the most + long-adj + ... 

→ Cha tôi có thể nói tiếng Anh thành thạo nhất trong gia đình tôi.

$\text{39.}$ Minh really enjoys hanging out with friends . 

→ S + really + love + to V = S + really + enjoy + V-ing 

$\text{40.}$ It is ( It's ) very interesting to play beach games . 

→ Nếu V đứng đầu thì chia V-ing : V-ing + .... + be + adj 

→ It's adj to do sth : như thế nào làm gì đó 

$\text{#Keisha}$