以下是我为您编写的50个最短包含26个字母的英语句子：

1. A cat is chasing a mouse.

2. The dog is barking at the mailman.

3. My sister is watching TV.

4. The sun is shining in the park.

5. My brother is playing basketball.

6. She is having a picnic in the park.

7. The car is parked on the street.

8. The boy is throwing a snowball.

9. The girl is reading a book.

10. I am going to the store.

11. The tree is bleeding.

12. The baby is crying in his crib.

13. They are playing soccer in the park.

14. The fish are swimming in the ocean.

15. The dog is running on the leash.

16. The boy is sliding on the slide.

17. The girl is dancing in the rain.

18. The sun is setting in the sky.

19. The car is parked in the garage.

20. The dog is biting the mailman.

21. My father is working in the garden.

22. The boy is catching a fish.

23. The girl is making a cake.

24. The sun is shining in the sky.

25. The dog is barking at the cat.

26. My brother is having a picnic.

27. The tree is damaged by the storm.

28. The baby is crying out for food.

29. The fish are eating the bait.

30. The girl is swimming in the pool.

31. The boy is playing with his toys.

32. The sun is shining in the sun.

33. The tree is full of leaves.

34. The dog is chasing a butterfly.

35. My sister is doing her homework.

36. The boy is throwing a rock.

37. The girl is reading a storybook.

38. The sun is setting in the west.

39. The car is parked on the curb.

40. The dog is waiting for the walk.

41. The boy is playing soccer with his friends.

42. The girl is having a tea party with her friends.

43. The sun is shining in the morning.

44. The dog is barking at the bird.

45. My brother is doing some laundry.

46. The tree is full of apples.

47. The boy is catching a fish in the stream.

48. The girl is making a collage with her photos.

49. The sun is setting in the south.

50. The car is parked at the store.