John is watches television every day = 此句有语病,正确说法为：
- John watches television everyday 或
- John is watching television everyday
按例句要求以“if”完成,则例句可以为
- I want to know if John is watching television everyday
- 或者I want to know if John watches television everyday
Jake is reading (what)：
- I want to know what Jake is reading
- I want to know what is Jakes reading