ENGLISH

1. I worked all summer.
2. I work all summer.
3. I will work all summer.
4. I am working all sumer.

1. She sings and dances all day long.
2. She is singing and dancing all day long.
3. She singed and danced all day long.
4. She will sing and dance all day long.

1. 1. Classes usually begins at nine.
   2. Classes is begining at nine.
   3. Classes will begins at nine.
   4. Classes began at nine.

1. The weather was warm and sunny.
2. The weather is warm and sunny.
3. The weather will be warm and sunny.

1. Yesterday the teachers read fairy-tales..
2. The teachers will read fairy-tales..
3. The teachers are reading fairy-tales..
4. The teachers read fairy-tales.