Noah Webster 
Improved Grammar of the English Language [PDF ebook] 

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. If is called also a conjunction. His is not true it is always a verb, being only a contracted form of give. The fact is the same with though; it is a verb, but defective. To the syntax, I have added several new rules and illustrations; the British Grammars, in this particular, being very defective. In deed, so defective and erroneous are the British Grammars, and the compilations in the United States, formed on their principles, that without some further helps, the construction of many established and legitimate phrases and sentences in our language, cannot be explained.