Almost right! It should be 'I don't always speak English very well.' Here's a tip about word order, which is especially useful for Spanish speakers - Never put any extra words (such as adverbs) between the main verb and its object. As you know, the basic English word order is SVO [subject] + [verb] + [object]. In the case of your sentence, the basic sentence is this: [I] [don't speak] [English] and the extra words are the adverbs 'always' and 'very well'. You are right to put the word 'always' between the auxiliary verb ( don't) and the main verb ( speak). This is the normal position for an adverb of frequency. However, unlike in other European languages, we don't normally separate the main verb ( in this case 'speak' ) from its object (English). The second adverb phrase, 'very well', needs to go at the end. I hope that makes sense. Here's another little exercise you can do to check and reinforce this point: Add the words 'usually' and 'in the evenings' to the sentence 'He doesn't drink whisky.' I

You tried, but what was your sentence? Here's a clue: the first word is "I".