main.append(addParagraph("The masen form is similar to the masu form and indicates present tense negative. It is also the polite form. An example of this is"));
main.append(addParagraph("The nai form is the casual form of the plain negative and in usage, it is similar to the way we use not with a verb in English. It is formed by dropping the masu (or masen) ending, changing the final vowel sound to an a and adding nai. For example, we can use nomimasen for I am not drinking. In the nai form, this would be"));
main.append(addVocab("nomanai","I am not drinking or I don't drink"));
main.append(addSubHeader("The tai form"));
main.append(addParagraph("This is not strictly a verb form but it is used to indicate a desire so it is roughly equivalent to I want in English. It is formed by adding tai to the stem of the verb."));
main.append(addVocab("nominai","I want to drink"));
main.append(addSubHeader("The te form"));
main.append(addParagraph("The te form is used to connect verbs and clauses. For example, if we want to say I want to eat, we can use the tai form which is tabetai. If we want to say I want to eat and drink we might say"))
main.append(addVocab("watashi wa tabete nomitai","I want to eat and drink"));
main.append(addSubHeader("The te iru form"));
main.append(addParagraph("The te iru form is a continuous form so it describes an action that is ongoing or something that is happening as a consequence of a past action. An example of this is"));
main.append(addVocab("watashi wa ikite iru","I'm alive"));