| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [adv prt] [prep] a | 78 |
|
| 2 | [pers pn] could [verb] [adv prt] [prep] a | 73 |
|
| 3 | they [modal v] [verb] [adv prt] [prep] a | 66 |
|
| 4 | they could [verb] [adv prt] [prep] [art] | 27 |
|
| 5 | they could [verb] [adv prt] [prep] [art] | 27 |
|
| 6 | they could [verb] [adv] [prep] a | 15 |
|
| 7 | they could [verb] [adv prt] [prep] a | 9 |
|
| 8 | they could [verb] [adv prt] [prep] a | 9 |
|
