Happy Teachers Day!,Words may fall into: the basic word stock and _ vocabulary by use frequency; content words and _words by notion; native words and _words by origin, etc. 2. Though words of the basic word stock constitute a small percentage of the English vocabulary, yet it is the most important part. T or F? 3. Prepositions, conjunctions, auxiliaries and articles belong to content words. T or F? 4. English belongs to Indo-European family. T or F? 5. List the three phases of the historical development of English language:_,_,_.,Latin, Greek, French and Scandinavian are the major contributors of borrowed words to the English vocabulary. T or F? 2. Most of Latin words have entered English through Greek. T or F? 3. Most of modern English vocabulary has come from French. T or F? 4. Since German and English are sisters belonging to the same family, German has a great influence on English. T or F? 5. Modern English vocabulary develop through three channels: _, semantic change and _.,True or False Some morphemes are realized by more than one morph according to their position in a word. 2. Free morphemes are all roots, while bound morphemes consist of roots and affixes. 3. Derivational morphemes occur before inflectional morphemes. 4. Prefixes are derivational and suffixes are inflectional. 5. A root is the basic form of a word which cannot be further analyzed without total loss of identity.,Compounding is the formation of new words by joining two or three bases. T or F? 2. Compounds differ from free phrases in their semantic one-wordness, i.e. a single semantic unit even though they may be written open. T or F? 3. Compounding can take place within any of the word classes, and the most productive ones are nouns, adjectives and adverbs. T or F? 4. Conversion is the formation of new words by converting words of one class to another, and its also called_. 5. Words produced by conversion are primarily _, _ and _.,True or False 1. Blending is the formation of new words by combining two words or a word plus a part of another word. 2. Clipping is the formation of new words by cutting a part off the original and using what remains instead. 3. Acronyms can be subdivided into initialisms and acronyms. Initialisms are pronounced letter by letter, while acronyms are pronounced as a normal word. 4. Many of the removed endings in back-formation are not suffixes but inseparable parts of the words. 5. Words created through back-formation are mostly verbs and have successfully gained currency.,