Brushing teeth － 刷牙

你刷牙吗? nǐ shuǎ yá ma？
Do you want to brush your teeth? (你想要去刷牙嗎?)

(你)刷牙了吗? shuā yá le ma?
Have you brushed your teeth?

你去刷牙吧。 nǐ shuā yǎ ba
go and brush your teeth

我已经刷牙了。wǒ yǐ jīng shuā yǎ
I've already brushed my teeth.


Please tell me if these sentences are correct.


Also, what would be the natural way to tell my child to brush his teeth?

(你)該去刷牙了。(You should go to brush your teeth now.)

Thank you for your help.　不客氣! Not at all.

Brushing teeth － 刷牙

你刷牙吗? nǐ shuǎ yá ma？
Do you want to brush your teeth? √

刷牙了吗? shuā yá le ma?
Have you brushed your teeth? √

你刷牙吧。 nǐ shuā yǎ ba
go and brush your teeth.

More exactly: How about brushing your teeth?/ You'd better brush your teeth. Because the modal particle "吧" is a suggestion rather than a command.

我已经刷牙（了）。wǒ yǐ jīng shuā yǎ
I already brushed my teeth.


Please tell me if these sentences are correct.


Also, what would be the natural way to tell my child to brush his teeth?
- To command him in a tough way: 去刷牙！ or 给我刷牙去！

- To suggest him mildly:  你去刷牙吧。 or 刷牙去吧。 or 刷牙去好吗？ or something like that.

Brushing teeth － 刷牙

你要刷牙吗? nǐ yao shuǎ shuā yá ma？
Do you want to brush your teeth?

你刷牙了吗? ni shuā yá le ma?
Have you brushed your teeth?

（你）去刷牙吧。 nǐ qu shuā yǎ yá ba
go and brush your teeth

我已经刷牙了。wǒ yǐ jīng shuā yǎ le
I already brushed my teeth.


Please tell me if these sentences are correct.


Also, what would be the natural way to tell my child to brush his teeth?

Thank you for your help.