Present
I    lean
you  lean
he   leans
we   lean
you  lean
they lean

Perfect
I    have leant; leaned
you  have leant; leaned
he   has leant; leaned
we   have leant; leaned
you  have leant; leaned
they have leant; leaned

Past
I    leant; leaned
you  leant; leaned
he   leant; leaned
we   leant; leaned
you  leant; leaned
they leant; leaned

Pluperfect
I    had leant; leaned
you  had leant; leaned
he   had leant; leaned
we   had leant; leaned
you  had leant; leaned
they had leant; leaned

Future
I    will lean
you  will lean
he   will lean
we   will lean
you  will lean
they will lean

Future perfect
I    will have leant; leaned
you  will have leant; leaned
he   will have leant; leaned
we   will have leant; leaned
you  will have leant; leaned
they will have leant; leaned

Present
I    lean
you  lean
he   lean
we   lean
you  lean
they lean

Present
I    have leant; leaned
you  have leant; leaned
he   have leant; leaned
we   have leant; leaned
you  have leant; leaned
they have leant; leaned

Imperfect
I    leant; leaned
you  leant; leaned
he   leant; leaned
we   leant; leaned
you  leant; leaned
they leant; leaned

Pluperfect
I    had leant; leaned
you  had leant; leaned
he   had leant; leaned
we   had leant; leaned
you  had leant; leaned
they had leant; leaned

Present
I    would lean
you  would lean
he   would lean
we   would lean
you  would lean
they would lean

Perfect
I    would have leant; leaned
you  would have leant; leaned
he   would have leant; leaned
we   would have leant; leaned
you  would have leant; leaned
they would have leant; leaned

Present
I    am leaning
you  are leaning
he   is leaning
we   are leaning
you  are leaning
they are leaning

Perfect
I    have been leaning
you  have been leaning
he   has been leaning
we   have been leaning
you  have been leaning
they have been leaning

Past
I    was leaning
you  were leaning
he   was leaning
we   were leaning
you  were leaning
they were leaning

Pluperfect
I    had been leaning
you  had been leaning
he   had been leaning
we   had been leaning
you  had been leaning
they had been leaning

Future
I    will be leaning
you  will be leaning
he   will be leaning
we   will be leaning
you  will be leaning
they will be leaning

Future perfect
I    will have been leaning
you  will have been leaning
he   will have been leaning
we   will have been leaning
you  will have been leaning
they will have been leaning

Present
I    would be leaning
you  would be leaning
he   would be leaning
we   would be leaning
you  would be leaning
they would be leaning

Perfect
I    would have been leaning
you  would have been leaning
he   would have been leaning
we   would have been leaning
you  would have been leaning
they would have been leaning