| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I buy | I bought | I shall/will buy |
| We buy | We bought | We shall/will buy |
| You buy | You bought | You will buy |
| He buys | He bought | He will buy |
| She buys | She bought | She will buy |
| It buys | It bought | It will buy |
| They buy | They bought | They will buy |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am buying | I was buying | I shall/will be buying |
| We are buying | We were buying | We shall/will be buying |
| You are buying | You were buying | You will be buying |
| He is buying | He was buying | He will be buying |
| She is buying | She was buying | She will be buying |
| It is buying | It was buying | It will be buying |
| They are buying | They were buying | They will be buying |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have bought | I had bought | I shall/will have bought |
| We have bought | We had bought | We shall/will have bought |
| You have bought | You had bought | You will have bought |
| He has bought | He had bought | He will have bought |
| She has bought | She had bought | She will have bought |
| It has bought | It had bought | It will have bought |
| They have bought | They had bought | They will have bought |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been buying | I had been buying | I shall/will have been buying |
| We have been buying | We had been buying | We shall/will have been buying |
| You have been buying | You had been buying | You will have been buying |
| He has been buying | He had been buying | He will have been buying |
| She has been buying | She had been buying | She will have been buying |
| It has been buying | It had been buying | It will have been buying |
| They have been buying | They had been buying | They will have been buying |