1. I find it difficult to master French.
2. I find it difficult mastering French.
3. The heavy snow made it difficult to walk on the street.
4. The heavy snow made it difficult walking on the street.
5. He believed it difficult to go abroad to study.
6. He believed it difficult going abroad to study.
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Can we use the gerund instead of the to-infinitive?
1 answer
All are OK. Using the infinitive is much better, but using the gerund in casual speech is OK.