| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] take [noun] | 33 |
|
| 2 | could [adv] take [noun sg] | 27 |
|
| 3 | could [adv] take place | 14 |
|
| 4 | could [adv] take place | 14 |
|
| 5 | could only take [noun] | 9 |
|
