發送短信 : A contrastive study on grammatical subject as a clause element in English and in Vietnamese from perspective of systemic-functional grammar

 _____      ______   ______     ______    ______  
|  __ \\   /_   _// |      \\  /_   _//  /_____// 
| |  \ ||   -| ||-  |  --  //   -| ||-   `____ `  
| |__/ ||   _| ||_  |  --  \\   _| ||_   /___//   
|_____//   /_____// |______//  /_____//  `__ `    
 -----`    `-----`  `------`   `-----`   /_//     
                                         `-`