It (be) the first English lesson at a small school after the summer holidays. The lesson (be) about the seasons of the year. There (be) four seasons in a year, (say) the teacher.

They (be) spring, summer, autumn and winter. In spring it (be) warm and everything (begin) to grow. In summer it (be) hot and there (be) a lot of flowers in the fields and garden, in the parks and woods. The farmers (work) all day long on their farms. In autumn there (be) a lot of vegetables and fruit. In winter it (be) cold, it often (rain). Sometimes there (be) snow on the ground ... Here the teacher (stop) and (look) at one of the pupils. "Stop talking, Tom", he (say) "Now listen to my question. You (can) tell me what the best time for apples (be) ?" "Yes, sir", answer Tom. "It (be) when the farmer (not be) at home and there (be) no dog in the garden".

It (is / was) the first English lesson at a small school after the summer holidays. The lesson (is / was) about the seasons of the year. There (are) four seasons in a year, (says / said) the teacher. They (are) spring, summer, autumn and winter. In spring it (is) warm and everything (begins) to grow. In summer it (is) hot and there (are) a lot of flowers in the fields and garden, in the parks and woods. The farmers (work) all day long on their farms. In autumn there (are) a lot of vegetables and fruit. In winter it (is) cold, it often (rains). Sometimes there (is) snow on the ground ... Here the teacher (stops / stopped) and (looks / looked) at one of the pupils. "Stop talking, Tom", he (says / said) "Now listen to my question. (Can) you tell me what the best time for apples (is) ?" "Yes, sir", (answers / answered) Tom. "It (is) when the farmer (isn't) at home and there (is) no dog in the garden".

Там где два глагола, то первый ставишь если рассказ в настоящем времени. Второй - если в прошедшем!