| Present "suspect" | I | suspect | |
| Present Continuous "suspect" | I | am suspecting | |
| Simple past "suspect" | I | suspected | |
| Past Continuous "suspect" | I | was suspecting | |
| Present perfect "suspect" | I | have suspected | |
| Present perfect continuous "suspect" | I | have been suspecting | |
| Past perfect "suspect" | I | had suspected | |
| Past perfect continuous "suspect" | I | had been suspecting | |
| Future "suspect" | I | will suspect | |
| Future continuous "suspect" | I | will be suspecting | |
| Future perfect "suspect" | I | will have suspected | |
| Future perfect continuous "suspect" | I | will have been suspecting |