Common mistakes in English

Over the last few years, we have corrected millions of words in the texts we have processed. Here, we present a list of common mistakes that we have found. The list is sorted according to the frequency with which we corrected the phrase. Not all corrections are present due to privacy concerns.

Position Before After
#1 is are
#2 the a
#3 in on
#4 will would
#5 a the
#6 on in
#7 is was
#8 a an
#9 that who
#10 & and
#11 are is
#12 which that
#13 its it's
#14 can could
#15 to for
#16 have has
#17 was were
#18 in at
#19 you your
#20 of for
#21 has have
#22 for to
#23 would will
#24 this these
#25 your you're
#26 2 two
#27 Im I'm
#28 there their
#29 this the
#30 in into
#31 u you
#32 at in
#33 could can
#34 are were
#35 to too
#36 have had
#37 need needs
#38 to with
#39 that which
#40 in to
#41 e-mail email
#42 of in
#43 an a
#44 and to
#45 3 three
#46 Hope I hope
#47 it this
#48 send sent
#49 to in
#50 it them
#51 Could Would
#52 were was
#53 in with
#54 the this
#55 in of
#56 has had
#57 for of
#58 on of
#59 of to
#60 had have
#61 and or
#62 on at
#63 the their
#64 question questions
#65 can not cannot
#66 was is
#67 too to
#68 then than
#69 the an
#70 dont don't
#71 the that
#72 ask asked
#73 in for
#74 at on
#75 ok okay
#76 wanted want
#77 that the
#78 4 four
#79 to of
#80 on to
#81 of from
#82 to and
#83 towards toward
#84 my the
#85 on for
#86 1 one
#87 5 five
#88 use used
#89 Can Would
#90 But However
#91 with to
#92 I I've
#93 of on
#94 on about
#95 till until
#96 to on
#97 to into
#98 Lets Let's
#99 that this
#100 and but