| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| has happened or had happened | 1.64 | 0.4 | 2103 | 23 |
| have happened or had happened | 1.24 | 1 | 9198 | 27 |
| has happened or have happened | 0.62 | 0.4 | 7031 | 63 |
| what had happened or what has happened | 1.36 | 1 | 5217 | 94 |
| had happened vs happened | 1.7 | 0.3 | 2742 | 94 |
| what happened or has | 0.36 | 0.9 | 1848 | 49 |
| did something happened or happen | 1.76 | 0.3 | 1141 | 75 |
| did not happen or happened | 0.61 | 0.1 | 4810 | 68 |
| what's happened or what | 0.81 | 0.8 | 6298 | 59 |
| what had happened meaning | 0.28 | 0.9 | 500 | 59 |
