| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] on for a long | 8 |
|
| 2 | [modal v] [vb infin] on for a long | 8 |
|
| 3 | could [vb infin] [adv] for a long | 6 |
|
| 4 | could [vb infin] on for a long | 5 |
|
| 5 | could [vb infin] on for a long | 5 |
|
| 6 | could [vb infin] on for a long | 5 |
|
| 7 | could [vb infin] on [prep] a long | 5 |
|
| 8 | could [verb] on for a long | 5 |
|
| 9 | could [vb infin] on for a long | 5 |
|
| 10 | could [vb infin] on for a [adj] | 5 |
|
| 11 | could [vb infin] on for a [adj] | 5 |
|
| 12 | could [vb infin] on for a long | 5 |
|
| 13 | could [vb infin] on [prep] a long | 5 |
|
| 14 | could [vb infin] [adv prt] for a long | 5 |
|
| 15 | could [vb infin] on for [art] long | 5 |
|
| 16 | could [vb infin] on for [art] long | 5 |
|
