Question

I knew what she wanted(change into interrogative sentence)​

Answer 1

Answer:

Iɴᴛᴇʀʀᴏɢᴀᴛɪᴠᴇ sᴇɴᴛᴇɴᴄᴇ

Did I know what she want ?

As the given sentence in the question is in past tense so while converting it into interrogative sentence we will use helping verb of past tense that is did (◍•ᴗ•◍)❤

Hope it may help you ♥