四 よん大 だい公害 こうがい病 びょう

yonda ikōga ibyō

1. Not one of the four major pollution diseases.

1. Was one of the four major pollution diseases.

1. Four major pollution diseases. ;

1. Four major pollution diseases; Four great pollution-related illnesses

1. It is not one of the four major pollution-related diseases.

1. It's not one of the four major pollution-related diseases.

1. It was one of the four major pollution diseases.

1. Four major pollution-related diseases.; It is a disease.

1. It is not one of the four major pollution-related diseases.

1. Wasn't one of the four major pollution-related diseases.

1. Probably one of the four major pollution-related diseases.

1. Was not one of the four major pollution diseases.

1. It wasn't one of the four major pollution-related diseases.

1. Probably one of the four major pollution-related diseases.

1. Was not one of the four major pollution diseases.

1. If it were one of the four major pollution-related diseases.; If it's one of the four major pollution-related diseases.

1. If it is one of the four major pollution diseases; When it is one of the four major pollution diseases

1. If/when it is one of the four major pollution diseases.; If/when it concerns one of the four designated pollution-related diseases.