| singular | plural |
| Infinitive | | |
| suspect | |
| present simple | | |
| 1 | I suspect | we suspect |
| 2 | you suspect | you suspect |
| 3 | he/she/it suspects | they suspect |
| past simple | | |
| 1 | I suspected | we suspected |
| 2 | you suspected | you suspected |
| 3 | he/she/it suspected | they suspected |
| future simple | | |
| 1 | I will/shall suspect | we will/shall suspect |
| 2 | you will/shall suspect | you will/shall suspect |
| 3 | he/she/it will/shall suspect | they will/shall suspect |
| conditional simple | | |
| 1 | I would suspect | we would suspect |
| 2 | you would suspect | you would suspect |
| 3 | he/she/it would suspect | they would suspect |
| present continuous | | |
| 1 | I am suspecting | we are suspecting |
| 2 | you are suspecting | you are suspecting |
| 3 | he/she/it is suspecting | they are suspecting |
| past continuous | | |
| 1 | I was suspecting | we were suspecting |
| 2 | you were suspecting | you were suspecting |
| 3 | he/she/it was suspecting | they were suspecting |
| future continuous | | |
| 1 | I will be suspecting | we will be suspecting |
| 2 | you will be suspecting | you will be suspecting |
| 3 | he/she/it will be suspecting | they will be suspecting |
| conditional continuous | | |
| 1 | I would be suspecting | we would be suspecting |
| 2 | you would be suspecting | you would be suspecting |
| 3 | he/she/it would be suspecting | they would be suspecting |
| present perfect | | |
| 1 | I have suspected | we have suspected |
| 2 | you have suspected | you have suspected |
| 3 | he/she/it has suspected | they have suspected |
| past perfect | | |
| 1 | I had suspected | we had suspected |
| 2 | you had suspected | you had suspected |
| 3 | he/she/it had suspected | they had suspected |
| future perfect | | |
| 1 | I will have suspected | we will have suspected |
| 2 | you will have suspected | you will have suspected |
| 3 | he/she/it will have suspected | they will have suspected |
| conditional perfect | | |
| 1 | I would have suspected | we would have suspected |
| 2 | you would have suspected | you would have suspected |
| 3 | he/she/it would have suspected | they would have suspected |
