| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [prep] a [adj] | 70 |
|
| 2 | [modal v] [not/n't] think [prep] a [adj] | 44 |
|
| 3 | could [not/n't] think [prep] [art] [adj] | 22 |
|
| 4 | could [not/n't] think [prep] [art] [adj] | 22 |
|
| 5 | could [not/n't] think [prep] a [adj] | 21 |
|
| 6 | could [not/n't] think [prep] a [adj] | 20 |
|
| 7 | could [adv] think [prep] a [adj] | 20 |
|
