About Khmer Language
According to Wikipedia.org, The Khmer language is also known as Cambodian. It is the official language of Cambodia. There are around 11.3 million people in South-Eastern Thailand who also speak Khmer. This language is written with a special script that was first introduced in South India. Khmer is the official language of the ancient Khmer empire and in Angkor. There are several inscriptions from the 7th to 15th century that represent the prestige and use of this language. In Cambodia 15-16 million native speakers speak Khmer. People living in Khmer are close to the Southeast Asian population. The Northern Khmer dialect makes it distinctive among other languages. Khmer belongs to the Austroasiatic Khmeric Khmer language family.
About Bengali Language
According to Wikipedia.org, Bengali is a popular Indo-Aryan language. The native speakers of this language are from the Bengal region in South Asia. It is also popularly known as Bangla and is the official language of Bangladesh. You will be surprised to know that is widely spoken in 22 scheduled languages of India. The total number of native speakers is 250 million. If we talk about the writing system it is Bengali and Bengali Braille. There are two different standard styles in Bengali known as Sadhubhasa (elegant or genteel speech) and the Chaltibhasa (current or colloquial speech). It is now used for both business and personal communications. If we talk about the simple Bengali sentence is follows a subject-object-verb word order. When it is present the negative particle will come at the ending of a sentence. You need to recognize six different cases and three verb tenses.