2. He has a good incite into the problem.

3. He has a good insight to the problem. He has a good incite in the problem.

1. We were pleased by them.

2. We were being pleased by them.

3. We were pleased to them.

4. We were pleased with them.

1. Assertive

2. Interrogative

3. Optative

4. Imperative

1. aid

2. face

3. ease

4. obstruct

1. Gerund

2. Verbal noun

3. Adjective

4. Participle