3 sentences

1. 院子里有一个大水缸。

   yuàn​zi lǐ yǒu yī gè dà shuǐ​gāng.

   There is a large water vat in the yard.

   Source: Dong Chinese Dictionary

2. 院子里有一个装满水的大水缸。

   yuàn​zi lǐ yǒu yī gè zhuāng​mǎn shuǐ de dà shuǐ​gāng.

   There is a large water vat full of water in the yard.

   Source: Dong Chinese Dictionary

3. 水缸里的混水澄了几个小时，现在已经变清了。

   shuǐ​gāng lǐ de hún​shuǐ dèng le jǐ gè xiǎo​shí, xiàn​zài yǐ​jīng biàn qīng le.

   The muddy water in the jar has been left to settle for several hours and has now become clear.

   Source: Dong Chinese Dictionary