A group of us may learn about the vocabulary and conversation about the Festival or in various occasions or may learn about sentence structure, to form the basis for communication and learning to a higher level.
A group of us could learn about. Vocabulary and conversation about the festival. Or on various occasions Or may be learned about the structure of sentences. As a basis for communication and learning in higher levels.
A group of us might study about. Vocabulary and dialogues about the festival or on various occasions, or may learn about the structure of a sentence. Be based on the communication and learning in a higher level.