English Verb - To Sink Infinitive - to sink Present participle - sinking Past participle - sunk 1. Present Tense Singular I sink You sink He/she/it sinks Plural We sink You sink They sink 2. Present Progressive Tense Singular I am sinking You are sinking He/she/it is sinking Plural We are sinking You are sinking They are sinking 3. Past Tense Singular I sank You sank He/she/it sank Plural We sank You sank They sank 4. Present Perfect Tense Singular I have sunk You have sunk He/she/it has sunk Plural We have sunk You have sunk They have sunk 5. Present Perfect Progressive Tense Singular I have been sinking You have been sinking He/she/it has been sinking Plural We have been sinking You have been sinking They have been sinking 6. Past Progressive Tense Singular I was sinking You were sinking He/she/it was sinking Plural We were sinking You were sinking They were sinking 7. Past Perfect Tense Singular I had sunk You had sunk He/she/it had sunk Plural We had sunk You had sunk They had sunk 8. Past Perfect Progressive Tense Singular I had been sinking You had been sinking He/she/it had been sinking Plural We had been sinking You had been sinking They had been sinking 9. Future Tense Singular I will sink You will sink He/she/it will sink Plural We will sink You will sink They will sink 10. Future Progressive Tense Singular I will be sinking You will be sinking He/she/it will be sinking Plural We will be sinking You will be sinking They will be sinking 11. Future Perfect Tense Singular I will have sunk You will have sunk He/she/it will have sunk Plural We will have sunk You will have sunk They will have sunk 12. Future Perfect Progressive Tense Singular I will have been sinking You will have been sinking He/she/it will have been sinking Plural We will have been sinking You will have been sinking They will have been sinking