Many students find it difficult to conjugate verbs properly. However, it is not that difficult.
Time adverbs present in the sentence usually indicate the tense. And if you are familiar with different tense forms, you should have no difficulty writing meaningful sentences in English.
Here is a verb conjugation exercise to test your understanding of different verb forms.
Digest for English language learners. In each room you will find interesting reading material, the original job examining and fixing the rules of grammar and expressions ideomaticheskih, fun exercise for kids, jokes and funny stories and more.