The present continuous tense is the tense in English, indicating the current action or the state of being. The present continuous tense means that the time when the action takes place is "now" and the state of the action is "in progress". In English tense, "time" refers to the time when the action takes place, and "state" refers to the appearance and state of the action.
English introduction, Oxford Primary School;
Oxford English for Primary Schools is designed and compiled according to the educational philosophy, curriculum objectives and content standards of English Curriculum Standards, with a capacity of 3-4 class hours per week (35-40 minutes per class hour), with a total of eight volumes, one for each semester for schools offering English classes from the third grade.
There are 80 units in the eight English textbooks for primary schools in Oxford, including 64 Protestant units and 16 review units. The specific arrangement of each volume is: 3A and 3B each 12 units (including 2 review units), 4A, 4B, 5A, 5B and 5B each 10 units (including 2 review units), 6A and 6B each with 8 units (including 2 review units).