How do you say have learned a lot in french?

There are a few ways to say "have learned a lot" in French, depending on the nuance you want to convey:

Formal:

* J'ai beaucoup appris. (I have learned a lot.)

* J'ai appris énormément. (I have learned tremendously.)

Informal:

* J'ai appris plein de choses. (I have learned a lot of things.)

* J'ai appris un max. (I have learned a ton.)

* J'ai appris pas mal. (I have learned quite a bit.)

To emphasize the effort:

* J'ai beaucoup appris grâce à... (I have learned a lot thanks to...)

* J'ai fait beaucoup de progrès. (I have made a lot of progress.)

To emphasize the knowledge gained:

* J'ai acquis beaucoup de connaissances. (I have acquired a lot of knowledge.)

* J'ai une meilleure compréhension de... (I have a better understanding of...)

You can also use different tenses depending on the context:

* J'apprends beaucoup. (I am learning a lot.)

* J'ai appris beaucoup ces derniers temps. (I have learned a lot lately.)

Remember to choose the phrase that best suits the situation and the level of formality required.