'Think' + 'OF'/'ABOUT' (People)
"I'm thinking 'OF'/'ABOUT' you."
'Think' + 'ABOUT' (= 'Consider')
"I need to think 'ABOUT' this problem."
'Think' + 'OF' (2 meanings: Asking somebody's opinion + = 'To imagine')
"What do you think 'OF' my sister's new friend?"
"It's hot! I am thinking 'OF' lying on the beach eating a big ice-cream".
**It's also very often use the expression "Come to 'THINK OF' it..."
'Think' + 'ON' (= 'Think about')
"Think 'ON' your sins."
'Think' + 'IN' (Only with verb 'Speak')
"Do you think 'IN' Spanish when you speak in English?"
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English Grammar Tips (I)
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