in
front
of在…前面,如:
There
is
a
tree
in
front
of
the
house.房子前面有一棵树。
He
sits
in
front
of
me.他坐在我前面。
in
the
front
of
在…前部(在某范围以内)
如:There
is
a
big
desk
in
the
front
of
the
classroom.
It's
for
the
teacher.
教室的前部有一张大桌子,是老师用的。
(在教室范围里面)
at
the
front
of
在…前部与in
the
front
of同意
at…强调“前部的某一点”
in强调在…范围的前部
如:There
is
a
man
boating
at
the
front
of
the
boat.船的前部有一个人在划船