It means: "May your day be full of happiness." (Formal address)
Est-ce que tu means 'Do you . . . ?'
What is it.
'il est possible que' is not a complete sentence. It means 'it is possible that'...
"Est-ce que vous avez ..." means "do you have..." in French.
est plus grande que ... means 'is larger / bigger than ...'
Est-ce que tu aimes ... means "Do you like ..." in English.
Est-ce que je peux means "may I ..." in English
"est-ce que ça va ?" means "how are you / are you doing well" in French
It's badly spelt but perhaps you mean - est-ce que tu va faire............? - are you going to do.......?
do I know you? is the translation for est-ce que je vous connais ? in English.
"est-ce que tu es triste" means "are you sad?" in French.
that means : what is it ?