- The helping verb "to do" has two forms in the present tense: "do" for I, you, we, they and "does" for he, she, it.
- In the past tense, the positive form is "did" for all subjects.
- The negative forms are "don't" or "doesn't" in the present and "didn't" in the past.
- For "I", use "do" in the present and "did" in the past.
- For "we", use "do" in the present and "did" in the past.
- For "you", use "do" in the present and "did" in the past.
- For "he/she/it", use "does" in the present and "did" in the past.
- For "they", use "do" in the present and "did" in the past.
Parent Tip: Review the logic above to help your child master the concept of to do worksheet.