Mother-tongue Interference in the Error of Learners\u27 Grammar

When young learners learnt English as a foreign language, they made many mistakes or errors whether in pronunciation, spelling, grammar or vocabulary. The errors will reveal where learners are particularly likely to make incorrect generalization about the target language. The data were collected either based on the writer\u27s experience when she was studying in junior, senior high school, and on observation to the students when she taught. To support the data, the writer also took the example of sentences about the error from the source book that she thought relevant to the problem discussed. The writer just discusses some of the grammatical aspects such as to be / auxiliary, pronouns, and tenses. The greater the grammatical differences between mother tongue and target language (foreign language ), the greater the difficulty faced by learners