例句與造句

1. use two commas, not one, to set off a nonrestrictive clause in the middle of a sentence
   用兩個逗號，而不是一個，來分隔非限制性從句。
2. when a nonrestrictive clause a ears in the middle of a sentence, place commas around it
   當(dāng)非限制性成分在句子中間出現(xiàn)時，應(yīng)當(dāng)在它前面和后面加逗號。
3. when a nonrestrictive clause appears in the middle of a sentence, place commas around it
   當(dāng)非限制性成分在句子中間出現(xiàn)時，應(yīng)當(dāng)在它前面和后面加逗號。
4. when a nonrestrictive clause a ears at the end of a sentence, place a comma before it and a period after it
   當(dāng)非限制性成分出現(xiàn)在句末時，在它前面加逗號，后面加句號。
5. when a nonrestrictive clause appears at the end of a sentence, place a comma before it and a period after it
   當(dāng)非限制性成分出現(xiàn)在句末時，在它前面加逗號，后面加句號。
6. It's difficult to find nonrestrictive clause in a sentence. 用nonrestrictive clause造句挺難的
7. place proper punctuation around nonrestrictive clauses, but do not place punctuation around restrictive clauses
   在非限制性從句中可以使用標(biāo)點，但在限制性從句中則不可以使用。