TOEFL 1.1.2 Verbs that Require an Infinitive in the Complement

Remember that the following verbs require an infinitive for a verb in the complement.

agree	decide	hesitate	need	refuse
appear	demand	hope	offer	seem
arrange	deserve	intend	plan	tend
ask	expect	learn	prepare	threaten
claim	fail	manage	pretend	wait
consent	forget	mean	promise	want

S	V	C (infinitive)	M
We	had planned	to leave	day before yesterday

Avoid using an -ing form after the verb listed. Avoid using a verb word after want.

Examples:

Incorrect	: He wanted speak with Mr. Gonzalez.
Correct	: He wanted to speak with Mr. Gonzalez.
Incorrect	: We demand knowing our status.
Correct	: We demand to know our status.
Incorrect	: I intend the inform you that we cannot approve your application.
Correct	: I intend to inform you that we cannot approve your application.
Incorrect	: They didn’t plan buying a car.
Correct	: They didn’t plan to buy a car.
Incorrect	: The weather tends improving in May.
Correct	: The weather tends to improve in May.

Source:
Picture - Reuploaded by me, original picture HERE.

Baron's How to Prepare for the TOEFL.