verb
1
BAD : I am beginning to accustom to the British way of life.
GOOD : I am beginning to get accustomed to the British way of life.
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be/become/get/grow accustomed to sth : 'Within a few minutes, my eyes had grown accustomed to the dark.'
Note that, apart from in formal styles, most people prefer be/become/ get/grow used to : 'I am beginning to get used to the British way of life.'
2
BAD : Where I come from, we are not accustomed to see so many things in the shops.
GOOD : Where I come from, we are not accustomed to seeing so many things in the shops.
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be accustomed to doing sth (NOT to do ): 'He was accustomed to leading a life of luxury.'