Articles in set expressions

by ... tradition

• a

• the

• -

as ... rule

• a

• the

• -

in ... actual fact

• a

• the

• -

• an

on ... one hand

• a

• the

• -

as ... matter of fact

• a

• the

• -

as ... whole

• a

• the

• -

be in ... trouble

• a

• the

• -

by ... way

• a

• the

• -

have ... good time

• a

• the

• -

have ... fun

• a

• the

• -