I have read in Oxford dictionary that in British English you don't pronounce "r" at the end of a word or when a word ends in "re" , if the next word starts in a consonant. If the next word starts in a vowel, you pronounce "r"
His car was old. -> [ca:]
His car isn't old -> [car]

What about "here" in these phrases? Do we act in a similar way?

here you are [hie]
here is [hier]
when "here" is alone -> here/in here [hie]

Am I right? Could somebody explain it?

Thanks in advance!
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Comments  (Page 4) 

Thank you very much for the post. May I ask you what happens with the "r" in the following words (in non-rhotic accents like RP): beware /bɪˈwɛə/, care /kɛə/, dare /dɛə/, there /ðɛə/, share /ʃɛə/, compare /kəmˈpɛə/, careful /ˈkɛəfʊl/, sphere /sfɪə/, figure /ˈfɪɡə/, and so on? In all of these cases the “r” is neither at the end of the word nor before consonant (rules that many BrE teachers teach for silent "r") – still, it is silent. Are there any rules that can be applied in these cases? What about: very, necessary, arbitrary, and so on - here the "r" is pronounced, but, even though in the middle of the word, there's no consonant before it (other rule BrE teachers teach for non-silent "r")? What's the rule here? What about the words: order, separate and the like? In "order", for example, the "r" is before a consonant - still, it is silent. On the other hand, in "separate" the "r" is in middle position, but there's no consonant before it - still, it is pronounced and therefore non-silent. What I am trying to learn is whether (or not) there are 2 separate rules for the “r”: one telling me when the “r” must be pronounced and one telling me when the “r” is silent. Am I missing something here? Thank you!

As I have spoken with other BrE experts, I would also like to ask you if the following conclusions are accurate enough and could be considered a rule for the pronunciation of the "r" sound (in British RP and non-rhotic accents of English):

  1. "r" is silent in the following words: car, star, sister, mother, word, person, bird (/kɑː/, /stɑː/, /ˈsɪstə/, /ˈmʌðə/, /wɜːd/, /ˈpɜːsn/, /bɜːd/) because it is not followed by a vowel sound.
  2. "r" is pronounced in the following words: read, write, red, Rome, grass, green, very, separate (/riːd/, /raɪt/, /rɛd/, /rəʊm/, /grɑːs/, /griːn/, /ˈvɛri/, /'sepərət/) and also in berry, carry, arrange (ˈ/bɛri/, /ˈkæri/, /əˈreɪnʤ/) because it is followed by a vowel sound.

Or, to sum up: /r/ (the phoneme, i.e. the sound as in red) occurs only before a vowel phoneme (in British RP and non-rhotic accents of English). In every other case, it is silent. Thank you!