![The development of a rule from semi-formal example to formalisation. In... | Download Scientific Diagram The development of a rule from semi-formal example to formalisation. In... | Download Scientific Diagram](https://www.researchgate.net/publication/346532280/figure/fig5/AS:963961881108497@1606837830760/The-development-of-a-rule-from-semi-formal-example-to-formalisation-In-practice-many-of.png)
The development of a rule from semi-formal example to formalisation. In... | Download Scientific Diagram
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![El verbo haber So far, you have only used haber as a unipersonal verb – it only has one form when it means there is / there are. Hay cuatro manzanas. There. - El verbo haber So far, you have only used haber as a unipersonal verb – it only has one form when it means there is / there are. Hay cuatro manzanas. There. -](https://slideplayer.com/8829481/25/images/slide_1.jpg)