いただきます, くださいます, やります
Usage
When the speaker receives something from someone of higher status -> いただきます
When someone of higher status gives the speaker something -> くださいます
When the recipient is someone of lower status, an animal or a plant -> やります but nowadays あげます is more used
Examples
もう一度考えてみますI'll have another think about it
Good to know
-てみたい can be used to express more reticently something one hopes for than when using -たい