4 sentences

1. 我想去天安门看升旗仪式。

   wǒ xiǎng qù Tiān'ān​mén kàn shēng​qí yí​shì.

   I want to go to Tiananmen to see the flag-raising ceremony.

   Source: Dong Chinese Dictionary

2. 升旗仪式上，大家都要向国旗行礼。

   shēng​qí yí​shì shàng, dà​jiā dōu yào xiàng guó​qí xíng​lǐ.

   Everyone salutes the national flag during the flag-raising ceremony.

   Source: Dong Chinese Dictionary

3. 全班同学都准时参加了这次升旗仪式。

   quán bān tóng​xué dōu zhǔn​shí cān​jiā le zhè cì shēng​qí yí​shì.

   The entire class attended the flag-raising ceremony on time.

   Source: Dong Chinese Dictionary

4. 每到国庆，天安门广场都会举行盛大的升旗仪式。

   měi dào Guó​qìng, Tiān'ān​mén guǎng​chǎng dōu huì jǔ​xíng shèng​dà de shēng​qí yí​shì.

   Every National Day, a grand flag-raising ceremony is held at Tiananmen Square.

   Source: Dong Chinese Dictionary