لنراجع الأنجليزية , UNIT01:Ethics in buisiness

[طفرة ㋡]

ok bro
i will explain like i understand them
cause my teacher is not very good one
well this words are close in meaninig to if
so they express condition
they are generally presenting type one of condition
simple futur +provided that /providing that +simple present
did you get it or not yet
?????????????