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No standard for pseudocode syntax exists. However, there are some commonly followed conventions to help make pseudocode written by one programmer easily understood by another programmer. Most of these conventions follow two concepts:
The sequence control structure simply lists the lines of pseudocode. The concern is not with the sequence category but with selection and two of the iteration control structures. The following are commonly used ending phrase-words:
| Control Structure | Ending Phrase Word |
| If then Else | Endif |
| Case | Endcase |
| While | Endwhile |
| For | Endfor |
The Do While and Repeat Until iteration control structures don't need an ending phrase-word. We simply use the first word, then the action part, followed by the second word with the test expression. Here are some examples:
If age>17
Display a message indicating you can vote.Else
Display a message indicating you can't vote.Endif
Case of age
0 to 17 Display "You can't vote."18 to 64 Display "You're in your working years."
65 + Display "You should be retired."Endcase
count assigned zero
While count<5
Display "I love computers!"Increment count
Endwhile
For x starts at 0, x<5, increment x
Display "Are we having fun?"Endfor
count assigned five
DoDisplay "Blast off is soon!"
Decrement countWhile count>zero
count assigned five
RepeatDisplay "Blast off is soon!"
Decrement countUntil count<one
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