I. Quy tắc phát âm đuôi -s:
1. Khi âm cuối cùng của một từ là âm rung => đuôi -s thêm vào cũng được phát âm thành âm rung.
Ví dụ: lives, sings, clothes, needs, ...
2. Khi âm cuối cùng của một từ là âm không rung => đuôi -s thêm vào cũng được phát âm thành âm không rung.
Ví dụ: likes, stops, roofs, laughs, ...
Choose the word which has the underlined part pronounced differently from the others.
Choose the word whose underlined part differs from the other three in pronunciation.
concerns
fingers
attacks
medals
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talks
takes
decides
completes
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prepares
erupts
stops
photographs
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musicians
highlands
assignments
problems
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friends
opinions
picnics
computers
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chores
halves
becomes
minutes
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clothes
cloths
roofs
books
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attempts
shares
looks
escapes
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II. Quy tắc phát âm đuôi -es:
1. Khi một từ kết thúc bằng một trong các phụ âm: -s, -ss, -x, -sh, -ch => đuôi -es thêm vào được phát âm là /iz/.
Ví dụ: buses, matches, washes, misses, mixes, ...
2. Khi một từ kết thúc bằng một trong các đuôi: -(d)ge, -ce, -se => đuôi -s thêm vào kết hợp với đuôi "e" trước nó được phát âm là /iz/.
Ví dụ: introduces, practises, bridges, oranges, ...
Choose the word which has the underlined part pronounced differently from the others.
buses
speeches
noses
leaves
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Choose the word which has the underlined part pronounced differently from the others.
Choose the word whose underlined part differs from the other three in pronunciation.
Choose the word whose underlined part is pronounced differently from that of the others.
colleges
exercises
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horses
houses
chooses
rises