The books says:

Wrong: I have never seen an aardvark, but last year my father did.
Right: I have never seen an aardvark, but last year my father SAW one.

Is the sentence below correct too ???
I have never seen an aardvark, but last year my father HAD

Question: A florist has 2 Azaleas, 3 Buttercups, and 4 Petunias. She put two flowers together at random in a bouquet. However a customer does not want two of the same flower. What is the probability that the florist does not have to change the bouquet ? I tried answering the above problem in two wa...

I always get confused when we should really perform valid math ops on TWO inequalities. Eg: if I have an in-equality a < b; b < c; Now, a < b b < c by adding them up, a < 2b < c (combing inequalities & add, which is ABSOLUTELY wrong) by lining them up, a < b < c (combing ...

Question: I have 2 slices of bread made of wheat and 2 slices of bread made of Rye (4 slices of bread in total). How many different types of sandwiches can be made ? [If I were to answer this manually, answer would be 3 (1wheat+1wheat, 1rye+1wheat, 1rye+1rye). But I 'm not able to get the answer ma...

Bumped into many times the phrase "to be" verbs & "various forms of to be verbs" My questions regarding TO BE verbs, 1) What exactly are "to be" verbs ? (I know that, is/am/was/were/be/been/are are TO BE verbs. But they have nothing to do with "TO" ? 2) Wh...