5 sentences

1. 学生们排成一列横队。

   xué​sheng men pái​chéng yī liè héng​duì.

   The students lined up in a single rank.

   Source: Dong Chinese Dictionary

2. 士兵们在操场上排成整齐的队列。

   shì​bīng men zài cāo​chǎng shàng pái​chéng zhěng​qí de duì​liè.

   The soldiers lined up in neat formations on the drill ground.

   Source: Dong Chinese Dictionary

3. 士兵们手持长矛，整齐地排成方阵。

   shì​bīng men shǒu​chí cháng máo, zhěng​qí de pái​chéng fāng​zhèn.

   The soldiers held spears and lined up in a neat phalanx.

   Source: Dong Chinese Dictionary

4. 排队买票的人群在广场上排成了一条龙。

   pái​duì mǎi piào de rén​qún zài guǎng​chǎng shàng pái​chéng le yī​tiáo​lóng.

   The crowd queuing for tickets formed a long line in the square.

   Source: Dong Chinese Dictionary

5. 成群的大雁正排成一字形，缓缓地向南方飞去。

   chéng​qún de dà​yàn zhèng pái​chéng yī​zì​xíng, huǎn​huǎn de xiàng nán​fāng fēi qù.

   Flocks of wild geese are flying slowly south in a single-file formation.

   Source: Dong Chinese Dictionary