content words: main verbs (go, spoke, invented), nouns (scientists, radio), adjectives (interesting , clever), adverbs (quickly, properly), negative auxiliary verbs (can't, don't, aren't)), demonstratives (this, that, these), question words (who, which, where), function words: pronouns (I, you, she, they), prepositions (at, under, with), articles (a, the, some), conjunctions (and, but, so), auxilary verbs (can, should, must), verb be (is, am, was),

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม