The difference in English dialects can have an impact on the teaching of English in Indonesia in several ways:

1. Pronunciation: Different dialects have variations in pronunciation, including vowel and consonant sounds. This can influence how English is taught in terms of accent and pronunciation. For example, British English and American English have distinct differences in pronunciation, such as the pronunciation of certain vowels and the "r" sound. English teachers in Indonesia may need to adapt their pronunciation instruction based on the target dialects relevant to their students' needs.

2. Vocabulary and Spelling: Dialects may also differ in terms of vocabulary and spelling. For instance, British English and American English have variations in certain words, such as "lorry" (British) and "truck" (American) or "colour" (British) and "color" (American). English teachers may need to expose students to vocabulary from different dialects and provide explanations on the variations, ensuring that students are aware of the differences.

3. Grammar and Syntax: While the core grammar and syntax of English remain largely the same across dialects, there can be differences in certain constructions and idiomatic expressions. Teachers need to be aware of these differences and ensure that students are exposed to a variety of dialects, so they can understand and communicate effectively with English speakers from different regions.

4. Cultural Context: Dialects often carry cultural connotations and nuances. Understanding these cultural aspects is important for effective communication. English teachers can incorporate cultural elements related to different dialects to provide students with a more comprehensive understanding of the language and its usage in different contexts.

To address the influence of different dialects, English teachers in Indonesia can focus on teaching a standard form of English that is widely understood and accepted, such as International English. They can also expose students to various dialects through authentic materials, audio recordings, videos, and discussions, so that students are exposed to different accents and variations in English usage. Additionally, promoting cultural awareness and sensitivity can help students navigate the diverse English-speaking world and adapt their language skills accordingly.