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