How to distinguish between infinitive and Gerund as subjects? ___ the train means waiting for another three days. A. To miss B. Miss C. To have missed D. Missing Which option should I choose?

How to distinguish between infinitive and Gerund as subjects? ___ the train means waiting for another three days. A. To miss B. Miss C. To have missed D. Missing Which option should I choose?

___ the train means waiting for another three days.
A. To miss B. Miss
C. To have missed D. Missing
Choose D
Gerund means general or passive
The infinitive denotes the future or the initiative
Missing that train means waiting for another three days

On the usage of infinitive and Gerund after subject
My job is to feed animals in our English book
But there is also feeling is believing
To help animals is helping people
How to explain these two usages

Both infinitive and Gerund can be used as predicative and subject. Therefore, feeling is believing = to see is to believe
To help animals is an infinitive subject, while helping people is a gerund

Write me 10 sentences with the structure of subject + intransitive verb,

An intransitive verb cannot be followed by an object directly
Subject + intransitive verb
1 The sun rises in east.
2 The moon moves around the earth.
3.Linda is sleeping now.
4 Your brother has already returned.
5 I intend to come by train.
6 I lived in Shanghai 5 years ago.
7.Everybody smiled in the classroom.
8.I arrived to Beijing yesterday.
9.Jack and his brother always disagree about it.
10.Things change quickly.