| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had doubts | 38 |
|
| 2 | have doubts | 31 |
|
| 3 | to have doubts | 17 |
|
| 4 | have doubts | 14 |
|
| 5 | has doubts | 14 |
|
| 6 | had doubts | 12 |
|
| 7 | having doubts | 12 |
|
