Get yourself some good books,constantly refer to them,spend time in the Philippines with pinoys,not in Hotels but in homes interacting(best way is a home-stay),and if your wife is pinay ask her to speak to you in nothing but philippino for one day a week,most brit guys are lazy,they can say half a dozen words and think they are fluent,they aint It sounds odd when they stick a random pinoy word in an english sentence I have a friend in Scotland who speaks perfect visayan,I was in a travel agents in Cebu with him,their jaws dropped when he booked our tickets flawlessly,he lived there for two years and learnt it to a "T" including some pretty impressive slang