How do native speakers tell I’m foreign based on my English alone?

Native speakers can usually tell if someone is a foreign speaker of English based on a variety of factors, such as:

1. Pronunciation: Native speakers may notice differences in the way you pronounce certain sounds or words, which can give away your non-native status. For example, if you have difficulty with the “th” sound or the “r” sound, this may be a clue that you’re not a native speaker.
2. Grammar: Native speakers are often able to detect errors in grammar usage or syntax that are common among non-native speakers. For example, if you consistently use incorrect verb tenses or have difficulty with articles (such as “a” or “the”), this may be a clue that you’re not a native speaker.
3. Vocabulary: Non-native speakers often have a more limited vocabulary than native speakers, and may use words or phrases that sound awkward or unusual in context. Native speakers may also notice if you’re using words or phrases that are more common in another English-speaking country.
4. Accent: Even if you’re able to speak English fluently and with good grammar, your accent may give away your non-native status. Native speakers may be able to identify the region or country you’re from based on your accent, and this can be a strong indicator that you’re not a native speaker.

Overall, it’s important to remember that there’s no shame in being a non-native speaker of English, and most native speakers will be happy to communicate with you regardless of your level of fluency.