One of the things that as Spanish speakers we always have problems with is to decide which preposition the verb takes or how to construct a correct sentence. The Oxford Online Dictionary of Collocations is a very useful tool for that.
Dianelsa asked me about in which instances could we use speak and with which preposition. Here are good examples of how to use the verb "speak" correctly. Click on the picture below:
Whenever you have doubts, please feel free to use this great dictionary.
Regards,
Miss Ramos
