what did happen yesterday

what has happened yesterday

what happened yesterday

what was happened yesterday

go

has gone

went

goes

to study hard

how to study effectively

how to study hardly

to study hardly

another

the others

another's

others

as well as effective teacher

and too a very efficient teacher

but he teaches very good in addition

however he teaches very good also

on

before

after

against

I,ll have given

I've given

I'll give

I gave

was saying

had said

would have said

said

because of it

because it

it is because

is because it

its leaves

is its leaves

are is its leaves

they are is its leaves