Поставьте следующие глаголы в past indefinite tense: to think, to teach, to learn, to make, to take, to be, to see, to go, to put, to set, to lose, to become, to improve.

To think thought , to teach,  taught to learn, learnt  to make,  made  to take took , to be, was  to see,  saw to go, went  to put, put  to set, set  to lose, lost  to become, became  to improve. Improved 

Thought, taught, learnt, made, took, was/were, saw, went, put, set, lost, became, improved