In Capital letters^x, Negatives^x

Hi, In general, my advice is that you should think more about what a correct sentence is. Focus on the positive rather than on the negative. However, here are a few comments. A run on sentence is two separate sentences that are incorrectly joined by forgetting to put a 'period/capital letter'...

Miriam, The book is by Rodney Huddleston and Geoffrey Pullum. The capital letters in square brackets refer to a list of criteria on the preceding page concerning auxiliary verbs vs. modal auxiliaries. Here's the list: AUXILIARY PROPERTIES Primary verb negation. Subject-auxiliary inversion ...