FOR count := 1 TO 100 BY 3 DO

for count = 1 to 10 do

for count := 10 downto 0 do

for (count = 1; count++, count < 11) ...

switch

select

if..then

case

for item in structure do

do <statement sequence> while <condition>

loop <statement sequence1> exit when <condition> <statement sequence2> end

LOOP <statement sequence1> IF <condition> THEN EXIT END: <statement sequence2> END;

do while <condition> <statement sequence>

do <statement sequence> until <condition>

repeat <statement sequence> until <condition>

a FOR loop

do <statement sequence> od

while <condition> do <statement sequence>

do <statement sequence> while <condition>

do while <condition> <statement sequence>

LOOP <statement sequence1> IF <condition> THEN EXIT END: <statement sequence2> END;

do <statement sequence> until <condition>

repeat <statement sequence> until <condition>

a FOR loop

loop <statement sequence1> exit when <condition> <statement sequence2> end

while <condition> do <statement sequence>