>**Increased financial support** could help to raise the quality of locally made films and **allow** them to compete with the foreign productions that currently dominate the market. 

*quoted from* <http://ielts-simon.com/ielts-help-and-english-pr/2015/06/ielts-writing-task-2-foreign-films-essay.html>

Have an author made a slip not using the verb in an agreement with the subject, or there's something that I'm missing out, misreading?

*Thanks in advance for all who'll be taking time to answer*.