That is/that is = that is (Chinese is "that is"). That is from Latin.
English belongs to the west Germanic branch of Germanic family in Indo-European language family, which evolved from the languages spoken by Anglo-Saxon Germanic tribes and jute tribes who immigrated from the European continent in ancient times and spread to all parts of the world through active British colonization.
According to the number of native speakers, English is the official language of the most used countries, the most widely used second language in the world, and one of the official languages of the European Union, most international organizations and Commonwealth countries. But it has only the third mother tongue in the world, less than Chinese, Mandarin and Spanish.
I. Basic concepts
English belongs to the west Germanic branch of Germanic family in Indo-European language family, which evolved from the languages spoken by Anglo-Saxon Germanic tribes and jute tribes who immigrated from the European continent in ancient times and spread to all parts of the world through active British colonization.
According to the number of native speakers, English is the official language of the most used countries, the most widely used second language in the world, and one of the official languages of the European Union, most international organizations and Commonwealth countries. But it has only the third mother tongue in the world, less than Chinese, Mandarin and Spanish.
Second, the historical period
There are four main dialects in Old English:
(1) Northumbria dialect-the dialect north of Humber River.
② Mercia dialect-a dialect between Humber River and Thames River in central England.
(3) Kent dialect-Zhuren dialect living in southeast England.
④ West Saxon dialect-the dialect south of the Thames. Northumbria and Greece are also called Anglian dialects, which are dialects in areas where Angles live.
The modern English period is subdivided into:
(1) Early Modern English Period-A.D. 1500 to 1700;
(2) Late Modern English-1700 till now.