Select the correct passive form of the given sentence.

I use baking soda to remove stains from my clothes.

Baking soda is used by me to remove stains from my clothes.

The correct passive form of the sentence "I use baking soda to remove stains from my clothes" is Baking soda is used by me to remove stains from my clothes.

The other options are incorrect because:

• Baking soda is being used by me to remove stains from my clothes uses the present continuous tense, while the original sentence is in the simple present tense.
• I have been using baking soda to remove stains from my clothes uses the present perfect tense, while the original sentence is in the simple present tense.
• Baking soda was used by me to remove stains from my clothes uses the past tense, while the original sentence is in the simple present tense.