Bid and Bade
Bid means command, order, insist, invite or require.
- I bid you to join our party. (= I invite you to join our party)
- The government bids all citizens to pay the tax.
Bid can also mean offer a price for something. When it is used with this meaning, its past tense is bid.
- He bid $1000 for the painting.
- At least 10 companies have bid for the contrast.
When bid means say a farewell or greeting to someone, its past tense is bade.
- The soldier bade his wife good-bye.