This is DJVU document made by me when searching The Internet, forgot exactly where it was posted but I found it very useful. Basically, in 9 pages all tenses where mentioned and explanations were given when we should use it.
A complete colletion of three books recommended for Polish secondary school students taking their Matura or secondary-school leaving examination. A selection of topics in a form of short essays with a list of key vocabulary and a list of additional vocabulary concerning a given subject. Because the books were designed for Polish students the equivalents of English words and expressions are given in Polish. Nevertheless, the books may also be used by any learner of English. For Speakers of POLISH
Volume 3 reuploaded, audio added Thanks to pancracy
Math Conventions (for the Quantitative Reasoning Measure of the GRE® revised General Test)
Learn more about mathematical assumptions particular to the GRE revised General Test. Includes notation and terminology as well as guidelines for interpreting and using information given in test questions.
He said he wasn't immortal but nothing could kill him. Still, if the Earth was to live as a free world, he had to die.
"Come right in, gentlemen," the Ambassador waved them into the very special suite the State Department had given him. "Please be seated."
Colonel Cercy accepted a chair, trying to size up the individual who had all Washington chewing its fingernails. The Ambassador hardly looked like a menace. He was of medium height and slight build, dressed in a conservative brown tweed suit that the State Department had given him.
His face was intelligent, finely molded and aloof...
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