could and would usage

[naresh.g@rediffmail.com]

hello this is naresh,
i would like to know thoroughly about could and would usage points while speaking......

[RonBee]

The words could and would are both modals. Also, could is the past tense of can, and would is the past tense of will. (There is much more that can be said on the subject.) To learn more about could and would look up modals in the grammar glossary.

~R