| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had not thought [prep] | 139 |
|
| 2 | had not think of | 107 |
|
| 3 | had n't think [prep] | 103 |
|
| 4 | had not think [prep] | 36 |
|
| 5 | had not think about | 28 |
|
