i have no idea if this tab is right or wrong...i didnt check it out. Someone sent it to me (thanks Diego!).....enjoy!
oh yeah and thanks to Stefano Di Carlo for writing it out.

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WHEN I'M WITH YOU - Simple Plan
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By:Stefano Di Carlo (Jeff...we're going to be famous one day)


Song Progression
intro...verse...chorus (play 2 times)
fill # 1 (play 3 times)...fill # 2
fill # 1 (play 3 times)...fill # 2
fill # 1...fill #3...ending

(intro)
e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|--5--6-6--5-6--5-5-333--5--6-6--5-6--1010-888------------------------------|
D|--5--6-6--5-6--5-5-333--5--6-6--5-6--1010-888------------------------------|
A|--3--4-4--3-4--3-3-111--3--4-4--3-4--8-8--666------------------------------|
E|---------------------------------------------------------------------------|

(verse)
palm mute--------------------------------->
e|---------------------------------------------------------|
B|-----------------------------------------------------7---|
G|-6-6-6-6-8-8-8-8-101010108-8-8-8-6-6-6-6-8-8-8-8--6--6---|
D|-6-6-6-6-8-8-8-8-101010108-8-8-8-6-6-6-6-8-8-8-8--6--4---|
A|-4-4-4-4-6-6-6-6-8-8-8-8-6-6-6-6-4-4-4-4-6-6-6-6--4------|
E|---------------------------------------------------------|

p.m. p.m. p.m. p.m. p.m. p.m.
e|-----6----------------------8-------6---------------|
B|-------6-----8------9---------9-------6-----8----7--|
G|-6-6-----8-8----------8-8-8-----6-6-----8-8---6--6--|
D|-6-6-----8-8---1010-----8-8-----6-6-----8-8---6--4--|
A|-4-4-----6-6---8-8------6-6-----4-4-----6-6---4-----|
E|----------------------------------------------------

(chorus)
e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|------------------6-6-666-8-88-888------------------6-6-666-8-88-888-------|
D|-6-6-666-8-88-888-6-6-666-8-88-888-6-6-666-8-88-888-6-6-666-8-88-888-------|
A|-6-6-666-8-88-888-4-4-444-6-66-666-6-6-666-8-88-888-4-4-444-6-66-666-------|
E|-4-4-444-6-66-666------------------4-4-444-6-66-666------------------------|

p.m. p.m.
e|-----------------------------------------------------------------------------------|
B|-----------------------------------------------------------------------------------|
G|-1010101010101010-8-8-8-8-8-8-8-8-6-6-6-6-8-8-8-8-1010101010101010-8-8-8-8-8-8-8-8-|
D|-1010101010101010-8-8-8-8-8-8-8-8-6-6-6-6-8-8-8-8-1010101010101010-8-8-8-8-8-8-8-8-|
A|-8-8-8-8-8-8-8-8--6-6-6-6-6-6-6-6-4-4-4-4-6-6-6-6-8-8-8-8-8-8-8-8--6-6-6-6-6-6-6-6-|
E|-----------------------------------------------------------------------------------|

(fill # 1)
e|-----------------------|
B|-----------------------|
G|--5--6-6--5-6--5-5-333-|
D|--5--6-6--5-6--5-5-333-|
A|--3--4-4--3-4--3-3-111-|
E|-----------------------|

(fill # 2)
e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|-5--6-6--5-6--5-5-333--666-888-1212-13-13-13-------------------------------|
D|-5--6-6--5-6--5-5-333--666-888-1212-13-13-13-------------------------------|
A|-3--4-4--3-4--3-3-111--444-666-1010-11-11-11-------------------------------|
E|---------------------------------------------------------------------------|

(fill # 3)
e|------------------------|
B|------------------------|
G|-5-6--1010-8-8--6-6--55-|
D|-5-6--1010-8-8--6-6--55-|
A|-3-4--8-8--6-6--4-4--33-|
E|------------------------|

(ending)
e|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|------------------6-6-666-8-88-888------------------6-6-666-8-88-888-| (play 6 times)
D|-6-6-666-8-88-888-6-6-666-8-88-888-6-6-666-8-88-888-6-6-666-8-88-888-|
A|-6-6-666-8-88-888-4-4-444-6-66-666-6-6-666-8-88-888-4-4-444-6-66-666-|
E|-4-4-444-6-66-666------------------4-4-444-6-66-666------------------|

e|-----------------------------------|
B|-----------------------------------|
G|-10101010101010106-6-6-6-6-6-6-6---|
D|-10101010101010106-6-6-6-6-6-6-6-6-|
A|-8-8-8-8-8-8-8-8-4-4-4-4-4-4-4-4-6-|
E|---------------------------------4-|

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