| How to Make It Positive | Examples
| Example Sentences |
Past | had + past participle verb | had liked had walked had eaten | We had liked cake back then, but now we don't like it. I had walked to the store when I realized I left my wallet at home. He had eaten an apple when his mom said dinner was ready. |
Present | have + past participle verb or has + past participle verb for 3rd person singular verbs | have liked have walked have eaten has eaten | We have liked cake since we were children. I have walked to the store before. I have eaten an apple sometime today. He has eaten an apple sometime today. |
Future | will have + past participle verb | will have liked will have walked will have eaten | We will have liked each other for five years as of our anniversary tomorrow. I will have walked two miles by this evening. He will have eaten seven apples by Saturday because he eats an apple every day. |
| How to Make It Negative | Examples
| Examples Sentences |
Past | had not + past participle verb | had not liked had not walked had not eaten | We had not liked cake back then, but now we do like it. I had not walked to the store when I realized I left my wallet at home. He had not eaten an apple when his mom said dinner was ready. |
Present | have + past participle verb or has not + past participle verb for 3rd person singular verbs | have not liked have not walked have not eaten has not eaten | We have not liked cake since we were children. I have not walked to the store before. I have not eaten an apple sometime today. He has not eaten an apple sometime today. |
Future | will not have + past participle verb | will not have liked will not have walked will not have eaten | We will not have liked each other for five years as of the anniversary of our breakup tomorrow. I will not have walked two miles by this evening because I have been sitting all day. He will not have eaten seven apples by Saturday because he skipped eating an apple two days this week. |