Sure, let’s start with some basics of Arabic grammar at Level 01:

1. **Alphabet**: Arabic uses a script called the Arabic alphabet, which consists of 28 letters. These letters can be written in connected or unconnected forms depending on their position in a word.

2. **Nouns and Pronouns**: In Arabic, nouns have grammatical gender (masculine or feminine) and number (singular, dual, or plural). Pronouns also have gender and number.

3. **Verb Conjugation**: Arabic verbs conjugate based on tense (past, present, future), aspect (perfective, imperfective), mood (indicative, subjunctive, imperative), and person (first, second, third).

4. **Definite and Indefinite Articles**: Arabic uses definite (ال – al) and indefinite articles (a/an – لـ).

5. **Case Marking**: Arabic nouns and pronouns change form based on their function in a sentence, indicated by case markers called “harakat” (vowel markings) or prepositions.

6. **Word Order**: Arabic typically follows a Subject-Verb-Object (SVO) word order, but this can vary based on emphasis and context.

7. **Adjectives and Adverbs**: Adjectives in Arabic agree with nouns in gender, number, and case. Adverbs often take the same form as adjectives but can also be formed by adding specific particles.

8. **Prepositions**: Arabic uses prepositions to indicate relationships between nouns, pronouns, and other elements in a sentence. These prepositions can be single words or combinations.

9. **Interrogatives**: Arabic has specific question words used to form questions. These include words like “ما” (ma) for yes/no questions and “مَنْ” (man) for asking about people.

10. **Negation**: Negation in Arabic is often formed by adding the word “لا” (la) before the verb.

These are just some basic concepts in Arabic grammar at Level 01. As you progress, you’ll delve deeper into more complex structures and rules.