Present Tense
* I do
* You do
* He/She/It does
* We do
* You do
* They do
Past Tense
* I did
* You did
* He/She/It did
* We did
* You did
* They did
Present Participle (Gerund)
* doing
Past Participle
* done
Other forms:
* Does (3rd person singular present tense)
* Did (past tense, also used in questions)
* Doing (present participle, used in continuous tenses)
* Done (past participle, used in perfect tenses)
Note:
* "Do" is an irregular verb, which means it doesn't follow the standard rules of conjugation.
* "Does" is only used for the 3rd person singular present tense (he, she, it).
* "Did" is used for all persons in the past tense.
Let me know if you have any other questions!