| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [noun sg] | 26776 |
|
| 2 | therefore a [noun sg] | 207 |
|
| 3 | therefore [vb -s] a | 113 |
|
| 4 | therefore [vb -s] [noun sg] | 48 |
|
