transform functions to macro

Hello everybody,
actually I post many posts but really I can not solve this problem , I want somebody to help me please
I have these functions to sort a list an I want to transform them to macros or have some macros to do the same thing .

(defun isMember (L E)

"Test if element E is a member of a sorted list L."

(if (null L)

nil

(if (> E (first L))

(isMember (rest L) E)

(= E (first L)))))

(defun insertm (L E)

"Insert element E into a sorted list L to produce a new sorted list."

(if (null L)

(list E)

(if (> E (first L))

(cons (first L) (insertm (rest L) E))

(if (= E (first L))

L

(cons E L)))))

(defun removeelm (L E)

"Remove element E from sorted list L to produce a new sorted list."

(if (null L)

nil

(if (> E (first L))

(cons (first L) (removeelm (rest L) E))

(if (= E (first L))

(rest L)

L))))

pleeeeeeeeeeeeeeeeeeease help me

First off, you should edit your post. Mark the code and press Code. It will look better.
What have you tried so far?