| Simple Present |
Subject + V1 (s/es) + Object |
He writes a letter every week. |
He does not write. / Does he write? |
| Present Continuous |
Subject + is/am/are + V-ing |
She is studying for her exam. |
She is not studying. / Is she studying? |
| Present Perfect |
Subject + have/has + V3 |
They have completed the project. |
They have not completed. / Have they completed? |
| Present Perfect Continuous |
Subject + have/has been + V-ing |
I have been working for two hours. |
I have not been working. / Have you been working? |
| Simple Past |
Subject + V2 + Object |
They visited the museum yesterday. |
They did not visit. / Did they visit? |
| Past Continuous |
Subject + was/were + V-ing |
He was driving when it rained. |
He was not driving. / Was he driving? |
| Past Perfect |
Subject + had + V3 |
The train had left before we arrived. |
The train had not left. / Had the train left? |
| Past Perfect Continuous |
Subject + had been + V-ing |
She had been waiting for two hours. |
She had not been waiting. / Had she been waiting? |
| Simple Future |
Subject + will + V1 + Object |
We will attend the meeting tomorrow. |
We will not attend. / Will we attend? |
| Future Continuous |
Subject + will be + V-ing |
At 8 PM, I will be having dinner. |
I will not be having. / Will you be having? |
| Future Perfect |
Subject + will have + V3 |
By 2027, she will have graduated. |
She will not have graduated. / Will she have graduated? |
| Future Perfect Continuous |
Subject + will have been + V-ing |
By next month, I will have been teaching for 10 years. |
I will not have been teaching. / Will you have been teaching? |