Gerund or infinitive (Revision)

ANSWERS 1: WHAT MADE BRIAN LEAVE
EXPLANATION
MAKE + BARE INFINITIVE (ACTIVE FORM) => to cause somebody/something to be or become something.
More Examples:
Her father made her clean her room. MAKE + BARE INFINITIVE => ACTIVE FORM
She was made to clean her room by her father. MAKE + TO + INFINITIVE => PASSIVE FORM

ANSWERS 2: YOU FANCY GOING
EXPLANATION
FANCY + GERUND => to want something or want to do something.
More Examples:
Do you fancy going out this evening? FANCY + GERUND
Sorry, but I don't fancy going out tonight.

ANSWERS 3: IS CAPABLE OF INSTALLING | 'S CAPABLE OF INSTALLING
EXPLANATION
CAPABLE OF + ING => ADJECTIVE + PREPOSITION + GERUND
More Examples:
He is not capable to make those medical decisions himself. X CAPABLE OF + GERUND
He is not capable of making those medical decisions himself. V CORRECT!

ANSWERS 4: FIND IT IMPOSSIBLE TO UNDERSTAND
EXPLANATION
FIND + SOMETHING + ADJECTIVE + TO + INFINITIVE - to have a particular feeling or opinion about something.
More Examples:
You may find it hard to accept your illness. FIND + SOMETHING + ADJECTIVE + TO + INFINITIVE
Hyperactive children find it difficult to concentrate.

ANSWERS 5: CAN'T AFFORD TO BUY
EXPLANATION
AFFORD + TO + INFINITIVE => to be able to pay for.
More Examples:
They couldn't afford buying new coats for the children. X
They couldn't afford to buy new coats for the children. V AFFORD + TO + INFINITIVE

ANSWERS 6: SUCCEEDS IN SCARING
EXPLANATION
SUCCEED IN + ING => VERB + PREPOSITION + GERUND
More Examples:
We finally succeeded to get Marjorie up the stairs. X
We finally succeeded in getting Marjorie up the stairs. V SUCCEED IN + GERUND