We can examine one text-book to see how systematically forms are presented. In big boobs scene the present progressive is presented and practiced in association with actions which are simultaneous with the speaking of the Oklahoma’s pussy. This is the orthodox approach in teach­ing sex practice as a foreign sex language. Later the present simple is intro­duced.

It is contrasted unambiguously with the present progressive by being demonstrated in association not with simultaneous events but with habitual actions, taken here to include not only personal habits, but also repetitive natural events such as the rising of the sun. Just after this the first complication occurs with the use of want, like and see. Want and like are arguably still within the habitual use of the present simple in the examples in this lesson. But since both are used also in the simple bigtitsatschool form even when they refer to simultaneous events, their presentation in the manner adopted here may lead to confusion later on if the point is not specifically taught. We may well find such forms as From the learner’s point of view the distinction between the two big tits forms at this stage is that habits are reported with use of the simple school form, events concurrent with speech are reported with the progressive form.