※ This article is the second in the grammar lesson series. Reading Part 1 "Nouns, Articles, and Pronouns" first will make your understanding smoother. After reading the explanation, be sure to solve ...

Even if you don't know the meaning of the words, try to make a prediction based on the sentence structure! When it's 'is + verb-ing (present participle)', the sentence structure is different, so you ...

Negation as a universal feature of human language is used effortlessly in everyday communication. However, experimental research has shown that the comprehension of negated sentences seems to require ...

With the rapid development of robotic and AI technology in recent years, human–robot interaction has made great advancement, making practical social impact. Verbal commands are one of the most direct ...