如何把句子写长有点儿难度，对吧？但是如何去连接长句和短句可能会更有难度。现在，跟随环球教育沈阳学校李川老师一起研究一下吧。

　　句子类型——

　　单句：主＋谓＋宾

　　长单句：主＋谓＋宾 （定壮补）

　　复合句：and, so, but

　　复杂句子：定，状，主，宾

　　单句：

　　Unhealthy food should be banned.

　　长单句：

　　Unhealthy food from either factory or farm should be immediately banned to both children and adults.

　　复合句：

　　High-calorie and high-fat food and drinks from either factories and farms can and must be immediately banned to both children and adults, because company employees and young school students have largely depended on the diet for its affordable price and convenience.

　　复杂句子：

　　High-calorie and high-fat food and drinks from either factories and farms can and must be immediately banned to both children and adults, because company employees and young school students have largely depended on the diet for its affordable price and convenience.

　　复杂句子：

　　High-calorie and high-fat food and drinks from either factories and farms can and must be immediately banned to both children and adults who have largely depended on the diet for its affordable price and convenience.

　　短句＋长句：

　　Unhealthy food should be banned. High-calorie and high-fat food and drinks from either factories and farms can and must be immediately banned to both children and adults who have largely depended on the diet for its affordable price and convenience.

　　用心去理解上述的句子由短变长的技巧，同时注意：短句（观点）＋长句（解释）。