où vas-tu / où allez-vous pendant le week-end ?
We do not use "at" with days. We say "on the weekend" or "for the weekend." Go picnic on the weekend.
You can't say "At the Weekend", it's not proper english. You can say "on the weekend" if you mean, for example, "we can't go to Disneyland today, but maybe on the weekend we can."
In Tagalog, you can say "Magandang weekend!" to wish someone to have a good weekend.
le weekend
You can say, "Have a great weekend, everyone!" Alternatively, you might say, "Wishing everyone a fantastic weekend!" Both options convey your well wishes for the weekend in a friendly manner.
Have a good weekend
Prettig weekend!
over the weekend.
"i missed you so much this weekend"
le weekend je porte
"Every" modifies a singular noun, so it would be "every weekend." While "during" is not really incorrect here, it is not needed. The more common way to say it is, "We go to Grandma's place every weekend."
You can say "Have a nice weekend, everyone!" or "Wishing you all a wonderful weekend!" Both phrases convey your good wishes for the weekend in a friendly and inclusive manner. Alternatively, you might simply say, "Enjoy your weekend, all!" to express your sentiments more casually.