If to look at the program of the fourth class, rather extensive lexicon here is passed.On the good account it is necessary to know and times (the simple present, a simple past, the simple future), both a modal verb of can and comparative degree of adjectives and it is a lot of that another. In this regard I attach links where it is possible to pass tests on subjects.First of all, it is times in English. Tests of everything for three main times. But various forms — affirmative, negative and interrogative are thus tested. Also is various tests for to be verb. What idle time wouldn't seem this design, many mistakes here are all the same made. Task — to fulfill it so that there were no doubts in a choice of the correct form.