Вот заполненная таблица:
| Base Form | Present Tense | Past Tense | Present Perfect Tense |
|-----------|--------------------|--------------------|-----------------------|
| clean | He cleans | He cleaned | He has cleaned |
| play | He plays | He played | He has played |
| play | We play | We played | We have played |
| sit | I sit | I sat | I have sat |
| teach | You teach | You taught | You have taught |
| buy | She doesn’t buy | She didn’t buy | She hasn’t bought |
| live | They live | They lived | They have lived |
| write | I don’t write | I didn’t write | I haven’t written |
| eat | He eats | He ate | He has eaten |
| give | We give | We gave | We have given |
| have | You have | You had | You have had |
| travel | They travel | They travelled | They have travelled |
| take | She doesn’t take | She didn’t take | She hadn’t taken |