| Present "echo" | I | echo | |
| Present Continuous "echo" | I | am echoing | |
| Simple past "echo" | I | echoed | |
| Past Continuous "echo" | I | was echoing | |
| Present perfect "echo" | I | have echoed | |
| Present perfect continuous "echo" | I | have been echoing | |
| Past perfect "echo" | I | had echoed | |
| Past perfect continuous "echo" | I | had been echoing | |
| Future "echo" | I | will echo | |
| Future continuous "echo" | I | will be echoing | |
| Future perfect "echo" | I | will have echoed | |
| Future perfect continuous "echo" | I | will have been echoing |