as用法（As usage）.doc

as用法（As usage） The use of the word As I. The use of as as conjunctions 1. as... Usage of as As... As means and...... Same means comparison of the same level.. When using, pay attention to the first as as an adverb, and the second as as the conjunction. Its basic structure is: as+, adj./, adv., +as. Such as: (1) This, film, is, as, interesting, as, that, one., this movie is as interesting as that one. (2) Your, pen, writes, as, smoothly, as, mine., your pen writes as smoothly as mine. The not as/so, +adj./, adv., +as. Such as: This, dictionary, is, not, as/so, useful, as, you, think., this dictionary is not as useful as you think. If there are modifiers such as twice, three, times, half, a, quarter, etc., you must place it before the first as. Such as: Your, bag, is, twice, as, expensive, as, mine., your bags are twice as expensive as mine. Several common sentences about as... As: (1) as... As possible Please, answer, my, question, as, soon, as, possible., please answer my questions as soon as possible. (2) as... As usual/before She looks as pretty as before. she looks as pretty as ever. (3) as, long, as... (Guide clause, adverbial clause) It took, US, as, long, as, three,, years, to, carry, out, the, plan., it took us as long as two years to complete the project. (4) as, far, as He walked as far as the railway station yesterday evening.. Last night, he walked to the railway station. (5) as, well, as She cooks as well as her mother does. she cooks as well as her mother. Some common phrases with as... As structures are summarized: As busy as a bee is as busy as a bee As easy as ABC is as easy as ABC As deep as a well is as deep as a well As light as a feather is as light as a feather As, soft, as, butter, soft as butter As rich as a Jew is as rich as a Jew 2., as used as conjunction to guide the adverbial clause of time As and when, while are subordinate conjunctions of the time adverbial clauses, and the meanings are when...... Time. But they are different: when, cla