By using 'because' continuously three times, can you make an English statement ?

You can see it everyday, But cannot touch it at will. What is it?

Which English verb becomes past tense just by rearranging the letters?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

What is always in front of you but can’t be seen?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?