Rules for /r/ sound: There are three kinds of /r/ sound. Linking /r/ Intrusive /r/ Flapped /r/ Linking /r/ There are two kinds of linking /r/ sound. When we do not pronounce it. If there is /r/ before consonant , it is not pronounce. e.g. card / kɑːd / When we pronounce /r/ sound. If there is /r/ before vowel , it will pronounce. e.g. present / ˈpreznt / Intrusive /r/ It is also called Insertion /r/. Insertion means "to add something". When there is no /r/ in a sentence, but we pronounce it. Law and order → Law[r]and order Flapped /r/ When /r/ is pronounced with full force , it is called flapped /r/ ( mostly it comes at beginning of the word) e.g. Rat / ræt / Rules for / ŋ /: We do not produce /n/ but / ŋ / when it comes before /k/ .e.g. pink /pi ŋ k/ No English word begins with / ŋ /. We cannot use / ŋ / at the beginning of the word. /g/ will not come at the end of a word, when there will / ŋ / at the end. e.g. sing /si ŋ / In a sin...