Table 1.
Token Frequency in the BNC Spoken Corpora of English Tense Morphemes
| Morpheme | Tokens /10 million words |
|---|---|
| verb[-s] | 61, 931 |
| verb[-ed] | 37, 811 |
| BE Total | 360, 567 |
| IS | 268, 412 |
| ARE | 92, 155 |
| DO Total | 78, 620 |
| DO | 57, 780 |
| DOES | 20, 840 |
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