Past, Present, Future and Conditional are common tenses in any language. Begin learning these forms. Use Vocabulix to memorize the various tenses online and free.
Avi, Tel-Aviv, Israel: 'I especially like the pronunciation feature. With my new stereo attached to the PC, it is perfect.'
'I am enough of an artist to draw freely upon my imagination. Knowledge is less important than imagination, because knowledge is limited. Imagination encircles the world.' - Albert Einstein