#english
You cannot say "It is worth to investigate", as this is not grammatically correct. Instead, you can say:
---
### Correct Usage:
1. "It is worth investigating."
- This is the correct structure. The gerund "investigating" is used after "worth".
- Example: The issue is serious and worth investigating.
2. "It is worth the investigation."
- Here, "the investigation" is a noun phrase.
- Example: This problem is complicated, but it’s worth the investigation.
---
### Explanation:
- The word "worth" is followed by a gerund (-ing form) or a noun phrase, not an infinitive (to + verb).
- If you want to use "to investigate," you can rewrite the sentence differently, such as:
- "It is important to investigate."
- "It is necessary to investigate."
You cannot say "It is worth to investigate", as this is not grammatically correct. Instead, you can say:
---
### Correct Usage:
1. "It is worth investigating."
- This is the correct structure. The gerund "investigating" is used after "worth".
- Example: The issue is serious and worth investigating.
2. "It is worth the investigation."
- Here, "the investigation" is a noun phrase.
- Example: This problem is complicated, but it’s worth the investigation.
---
### Explanation:
- The word "worth" is followed by a gerund (-ing form) or a noun phrase, not an infinitive (to + verb).
- If you want to use "to investigate," you can rewrite the sentence differently, such as:
- "It is important to investigate."
- "It is necessary to investigate."